250:
889:
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153:
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590:. There were several features which made their amplifiers unique: the GP11 pre-amp featured 11 graphic EQ bands which were very broad bands, overlapping each other, thereby enabling massive amounts of frequency cut or boost when adjacent bands were boosted or cut. Secondly, the frequency bands were spaced closer together towards the bass end allowing even more variation for bass guitarists to alter their sound like no other amp had previously allowed. Added to this were MOSFET poweramps of 250 or 500 watts and the option of bi-amplified systems where bass and upper frequencies are filtered before being separately amplified and fed to dedicated high frequency and low frequency speaker cabinets. Trace Elliot gained a reputation for themselves; rumour has it that early users were
1891:
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1179:
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712:
Professional bassists are more likely to have expensive "boutique" amps and cabinets. All types of bass amps and cabinets are designed to be transportable to shows and recording studios, and as such, most have various features to protect the cabinet (e.g., metal or plastic corner protectors) and speakers (a plastic screen or metal grille) during transportation and move the equipment (a single carry handle is standard for practice amps and combo amps and two handles are sometimes provided for two-handed carrying of large cabinets, and wheels are mounted on some large combo amps and cabinets). Amplifier "heads" may be sold mounted in a wooden cabinet with a carrying handle, or they may be sold as
823:
1010:, an electronic filter that splits the bass signal into a low-pitched signal (which could be routed to a cabinet suited for low-pitched sounds, such as a 1x15" or 2x15" cabinet), and the middle and high frequencies to a different cabinet suited to this register (e.g., a 2x10" or 4x10" cabinet with a horn-loaded tweeter). Amps with a crossover can either have a single crossover point pre-set at the factory (e.g., 100 Hz) or a knob is provided to enable the bassist to select the frequency where the bass signal is split into low and higher-pitched signal. Amps with an adjustable crossover point can enable bassists to fine-tune their speaker output for a particular venue.
2138:
1311:(which go down to a low "C" which is about 33 Hz) and synth bass players who play rumbling sub-bass parts that go as low as 18 Hz. Of all of the keyboard instruments that are amplified onstage, synthesizers produce some of the lowest pitches because, unlike a traditional electric piano or electric organ which have as their lowest notes a low "A" and a low "C", respectively, a synth does not have a fixed lowest octave. While performers who use concert sound subwoofers for onstage monitoring may like the powerful sub-bass sound that they obtain, sound engineers may find this problematic, interfering with the "Front of House" sub-bass sound.
475:
1083:
1689:
1043:
1187:
471:, first produced in 1952. This was a 26-watt tube amplifier with a single 15" speaker. In 1954, the Bassman was redesigned to use four 10" speakers. This speaker cabinet was an open-back design; as such, it had poor low-frequency efficiency and was prone to blowing speakers when used for bass because of the lack of damping. The Bassman became very popular as an electric guitar amplifier. The circuit design also underwent repeated modifications. The "5F6A" circuit introduced in 1958 is regarded as a classic amplifier design and was copied by many other manufacturers, such as Marshall.
1203:
924:
2059:
2030:
1649:(or a semi-parametric equalizer) for some frequency ranges (typically the middle frequency range), which can be used to modify the bass tone to suit different styles or performance venues. Some bass amps have a 15 or 20 dB pad which can be used to attenuate "hot" signals, such as basses with an internal preamplifier (depending on the model of amplifier, some brands may provide two inputs (high and low gain) instead of providing a "pad". This pad can be turned on using a button. Some bass amps have an even stronger pad, a 40 dB pad.
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1811:
683:
volume. If the sound engineer wished to turn down the bass in the PA/sound reinforcement system, this bassist's loud onstage volume would make it hard for this engineer to control and/or reduce the volume of bass in the FOH (Front of House) sound mix. Another issue that can develop with bass players who have very high onstage volume is that it can be hard for the audio engineer to produce a clean sound through the PA/sound reinforcement system. For example, if a bassist was driving his bass amp speaker stacks into
1462:
976:
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863:
1250:
1882:. Feedback for double bass generally manifests itself as a sharp, sudden high-volume "howling" sound that can damage loudspeakers. When acoustic instruments with resonant bodies are amplified with microphones and piezoelectric transducer pickups, they are prone to have feedback problems. For acoustic bass guitars, soft plastic discs are available to block the instrument's sound holes, thus reducing feedback. Upright bass players sometimes use homemade foam inserts to fill in the "f" holes.
574:
642:
290:
133:
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2214:, etc.) will typically need to bring their own bass combo amp (or an alternative amp, such as a keyboard amp combo), because very small venues often have a very small, low-powered PA system which is used mainly for vocals. Some small venues do not have monitor speakers, or they have only one, in front of the lead vocalist. Bass players who do not have a combo amp who are laying down tracks in the recording studio can plug into a
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but they are less common. For example, there are a small number of 1x10" and 3x10" combo amps and speaker cabinets, and a small number of 6x10" cabinets. Bass speakers are usually made with stiff paper cones. Hartke combo amps and speaker cabinets are unique in that the cone is made from paper, except for the middle, which is made of aluminium. Gallien-Krueger's MB210-II combo amp uses ceramic speakers.
1409:
36:
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has a built-in overdrive effect. Overdrive is also available on many Crate bass amplifiers. The Yamaha BBT500H has three types of built-in drive effects: overdrive, distortion and fuzz. The Ampeg B5R Bass
Amplifier has two channels: clean and overdrive, with the ability to combine the two. Verellen, a boutique amp company, produces a bass amplifier with a built in overdrive channel.
1267:
speakers are used, two or more of them are installed in a cabinet (e.g., 2x10", 4x10" and 8x8"). For 12" speakers, combo amps and cabinets are available with 1x12" and 2x12"; less commonly, 4x12" cabinets are seen. For 15" speakers, combo amps and cabinets usually have 1x15", although 2x15" and even 4x15" cabinets exist. A small number of 1x18" bass cabinets are sold (e.g.,
1167:: The human ear perceives a 50-watt amplifier as only twice as loud as a five-watt amplifier, despite a tenfold increase in power in watts. Doubling the power of an amplifier results in a "just noticeable" increase in volume, so a 100-watt amplifier is only slightly louder than a 50-watt amplifier. In addition is the human ear's tendency to behave as a natural
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1330:
1143:. Compared with tube power amps, solid state power amplifiers are more reliable, require less maintenance, less fragile and lighter in weight. A hybrid tube preamp/solid state power amp thus provides a bass player with the benefits of both technologies' strengths: tube preamp tone and solid state reliability for the power amp.
1702:
an MP3 player or CD player into the bass amp, to facilitate practicing with a recording. Some amps have a high-gain input, for basses which have internal preamplifiers on the instrument. The high-gain input is routed through a pad (attenuator). An amp may also have a low-gain input, which is unattenuated, for regular basses.
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300 watt bass amp, six times the power of the electric guitar amp, to get a good bass volume. "More advanced players who regularly gig in small to medium sized venues… typically produce 300-700 watts of output." Some bassists believe a tube bass amp will sound louder than a solid-state bass amp of the same wattage.
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frequency range can then be modified (e.g., in terms of tone, added overdrive, etc.) individually. The
Versatone Pan-O-Flex amplifier used a different approach to bi-amplification, with separate amplifier sections for bass and treble but a single 12-inch speaker. The Versatone was used by well-known bassists such as
281:, the fretted and solid-body Audiovox Model 736 Bass Fiddle, in 1936, which was designed to be played in a guitar-like horizontal manner. The instrument was sold with the first purpose-built bass amplifier, the Audiovox Model 936. Seen largely as a novelty, the few that were sold remained in the Seattle area.
1300:
players who use subwoofer cabinets include performers who play with extended range basses with include notes between B0 (about 31 Hz); and C#0 (17 Hz) and bassists whose style requires a very powerful sub-bass response is an important part of the sound (e.g., funk, Latin, gospel, R & B, etc.).
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in large concerts since the 1960s, this is usually just for the higher register; a bass amp is still typically used for the low register, because regular guitar amps are only designed to go down to about 80 Hz. One of the reasons bassists split their signal into a bass amp and an electric guitar
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Horns and speakers in the same cabinet are sometimes wired separately, so that they can be driven by separate amplifiers. Biamplified systems and separately-wired cabinets allowed bassists to send an overdriven low-pitched sound to the speaker, and a crisp, undistorted high-pitched sound to the horn.
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with a solid-state power amplifier. This provides the player with the best elements of both amplifier technology. The tube preamp gives the player the ability to obtain tube amplifier tone, which tube enthusiasts state is "warmer" than a solid state (transistor) preamp. As well, tube users state that
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Tube amplifiers require more maintenance than solid state transistor amplifiers, such as replacing vacuum tubes and electrolytic capacitors. Tube amplifiers are usually heavier than an equivalently powered transistor amplifier. As tubes are made of glass, tube amplifiers are more fragile than a solid
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A bass stack may use a single speaker cabinet, e.g., a cabinet holding eight ten-inch speakers, or 8x10". Smaller speaker cabinets with one, two, or four speakers are more commonly used, because while the 8x10" cabinet is able to produce huge volume and powerful bass tone, the cabinets are very heavy
740:
The smallest bass amps amplify the instrument enough for individual practice in a small room. Practice amps do not typically produce enough volume or low-frequency sound reproduction to be used in a band rehearsal or show. As such, they are mostly used by beginners or, when used by professionals, for
682:
to control the sound mix and blend. For example, if a heavy metal bassist had two 8x10" cabinets and several 1x18" subwoofer cabinets and several thousand watts of bass amplifier heads, and these amps are set to a very high volume level, this bass player will be creating very significant onstage bass
530:
Entwistle also experimented throughout his career with "bi-amplification," where the higher frequencies of the bass sound are divided from the lower frequencies, with each frequency range sent to separate amplifiers and speakers. This allows for more control over the tone, because each portion of the
429:
800RB was a solid state bass amplifier head introduced in 1983 that was liked by bassists for its loud, clean sound and durable construction. It introduced the concept of bi-amplification, as it sent 300 watts of low register sound to the bass speakers and 100 watts to the tweeter. The GK used a tube
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Some bass players cannot use a bass combo amp, either due to strict noise and disturbance rules in their apartment, lack of space to store a combo amp (if they live in a small room) or due to the need for a set-up which can amplify multiple types of instruments and/or voice. Alternatives to buying a
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The MESA Bigblock 750 has a built-in overdrive channel. The Mesa M2000 has a high gain switch which can be engaged with a footswitch. The
Marshall MB450 head and combo bass amplifiers have a tube pre-amp on the "Classic" channel which can be overdriven. The Ashdown ABM 500 EVO III 575W Bass amp head
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Bass amps come with a range of different input and output jacks, depending on the cost of the amplifier and its intended purpose. The least expensive practice amps may only have a single 1/4" input jack and no output jacks. Some practice amps and small combo amps have RCA or 1/8" inputs for plugging
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and a bass amp. This approach does not use a crossover, but since an electric guitar amp will only produce pitches down to about 80 Hz, the guitar amp reproduces the mid- to high frequencies and the bass amp reproduces the low frequencies. With this arrangement, distortion and other effects can
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For 10" speakers, the most common combo amp and speaker cabinet configurations are 2x10" and 4x10". For speaker cabinets, 2x10" and 4x10" are the most widely used, although 8x10" cabinets are used in stadium concerts, especially in louder rock genres. Other configurations with 10" speakers do exist,
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In a band, the bassist will typically need three or four times the wattage of the electric guitarist. While an electric guitarist will often find that a 50 watt amp will be adequate for rehearsals and mid-size performance venues, a bass player performing alongside them will typically need at least a
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Even though tube amplifiers produce more heat than solid state amplifiers, few manufacturers of tube amplifiers include cooling fans in the amplifiers' chassis. Usually adequate cooling is provided by passive convection. Adequate airflow is needed to prevent excessive heat from shortening the tubes'
896:
One reason that some bass players choose to use a "bass stack" rather than a combo is that the separate component approach enables bassists to use different speaker cabinets for different shows or activities. For example, a bassist playing a stadium may use an 8x10" cab for this show, but then bring
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may not have the capacity to provide the bass sound for the venue, and the PA system may be used mainly for vocals. Bass players in bands that play at a variety of venues, including these types of small to mid-size venues, may need to be able to provide the bass sound for the venue, and so they will
332:
By the late 1960s, as electric guitarists in rock bands began using powerful amplifiers to play large venues, bassists needed to keep up. The
Acoustic 360 was a "200-watt, solid state head designed to drive the 361 cabinet, a rear-firing 18” speaker enclosure". The engineers who designed the amp and
305:
Bassamp
Company, founded in 1949 by Everett Hull, responded to the growing demand for electric bass equipment by producing a line of bass amplifiers. The first model offered was the Super 800, an 18-watt model with a single 12" speaker and a rear ventilation port. In 1951, Ampeg introduced a 20-watt
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Some bass amplifiers have an "overdrive" or distortion effect built into the unit. The Peavey
Century 200 has an onboard "distortion" effect on the second channel. The Peavey VB-2 also has built-in overdrive. Aguilar Amplification's AG 500 bass head is a two-channel amplifier, one of which offers a
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cabinet. Subwoofers are specialized for very-low-frequency reproduction, with typical maximum useful high frequencies of about 150 or 200 Hz, so a subwoofer cabinet must be paired with a full range speaker cabinet to obtain the full tonal range of an electric bass or upright bass. Bass guitar
494:
had to produce their sound for the hall, club or other venue with their own amplifiers and speaker cabinets. As a result, bass players from the 1960s often used large, powerful amplifiers and large speaker cabinets. Some bass players would even use multiple bass amplifiers, with the signal from one
231:
and the design of the preamplifier and amplifier. Speaker cabinets for bass amps usually incorporate larger loudspeakers (e.g., 15 inches (380 mm) speakers are more common for bass than for electric guitar amps) or more speakers and larger cabinet sizes than those used for the amplification of
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is pre- or post- the amp's internal preamplifier and equalization circuitry. The pre-/post- switch enables a bassist to decide whether to send the audio engineer just the signal from her bass, or to send the signal once it has been pre-amped and equalized by her amp settings. Some higher-cost amps
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used for bass guitar amplification are designed around large diameter, heavy-duty drivers, with 10", 12" and 15" being most common. Less commonly, larger speakers (e.g., 18") or smaller speakers (e.g., the 8x8" cabinet, which contains eight 8" speakers) may be used. As a general rule, when smaller
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or sound reinforcement system, the huge speaker systems pointed at the audience. As well, in the 2010s on-stage instrument amplifiers are more likely to be kept at a low volume, because when band members have their onstage amps "cranked" to high volume levels on stage, this makes it harder for the
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There are two main types of controls on bass amps: switches and rotary knobs. The simplest, least expensive practice amps and combo amps may only have a few switches and knobs, such as an "on/off" switch, a volume knob, and a bass and treble control knob. Mid-priced models may add additional tone
802:
For rehearsals, studio recording sessions, or small club performances, electric and upright bass players typically use a "combo" amplifier, which combines a preamplifier, tone controls, a power amplifier and a speaker (or multiple speakers) in a single cabinet. Smaller combo amps may be easier to
694:
As a result of requests by audio engineers to reduce onstage volume, in the 2010s, in many large venues. much of the on-stage sound reaching the musicians now comes from the monitor speakers or in-ear monitors, not from the instrument amplifiers. Stacks of huge speaker cabinets and amplifiers are
1990:
pedals specifically made for bass guitar. Since the late 1980s, bass-specific overdrive pedals have been available; these pedals maintain the low fundamental pitch. Using a regular guitar distortion pedal for bass would result in the lower frequencies being greatly lessened. Well-known overdrive
838:
For larger venues such as stadiums and outdoor music festivals, or for music genres that use bass instruments with an extended lower range and high stage volumes, bass players often use a more powerful amplifier (300 to 2000 watts or more) and one or more separate speaker cabinets (or "cabs") in
1110:") began to become popular. This was in large part because for a given wattage level and feature level, solid state amplifiers are less expensive, lighter weight, and require less maintenance than tube amplifiers. As well, transistor amplifiers are more reliable and less fragile than tube amps.
657:
As a result of the improvements to PA systems and monitor systems, bass players in the 2000s no longer need to have huge, powerful bass amplifier systems to play stadiums and arenas. Instead of playing with two 8x10" bass stacks and one or more huge, powerful bass heads, in the 2010s, many bass
265:
players. While the upright bass is a large instrument, standing about six feet tall (with its endpin extended), due to its low register it is not a loud instrument when played acoustically and because human hearing is less sensitive at low frequencies. In the 1890s and early 1900s, upright bass
1713:
of a PA system or recording set-up. Some bass amps have a 1/4" headphone out jack, so that the bass amp can be used for silent practice. When the headphone is plugged in, the amplifier to the speaker is normally automatically turned off. Higher-priced amps designed for professionals often have
1598:
typically also have a "standby" switch in addition to an "on/off" switch. Controls are typically mounted on the front of the amplifier near the top of the cabinet; often the knobs are recessed so that they do not project beyond the wooden cabinet, to protect the knobs during transportation. On
2054:
The 75 Watt Fender Rumble 75 Bass Combo Amp and its 150 Watt and 300 Watt counterparts can produce an overdrive effect by using the gain and blend controls, giving overdrive sounds ranging from "mellow warmth heavy distorted tones". The Fender SuperBassman is a 300-watt tube head which has a
1525:
637:
As PA systems improved, horn-loaded "bass bins" and subwoofers were added and were often well-equipped to amplify directly fed bass guitar and keyboard frequencies. As well, in the 1980s and 1990s, monitor systems were substantially improved, which allowed sound engineers to provide on-stage
1751:
Bass speaker cabinets often have two 1/4" jacks. These are provided so that one speaker cable can be plugged into the first jack and connected to the power amp; if the bassist wants to use a second cabinet, a second speaker cable is plugged into the second jack and then into second speaker.
711:
Different types of equipment are used to amplify the electric bass and other bass instruments, depending on the performance setting, style of music, the sound desired by the bassist, the size of the venue and other factors, such as whether a bassist is an amateur or professional musician.
1622:, may have only an on/off switch to turn on the effect (as with lower- to mid-priced amps), or they may have one or more knobs to control how much compression is applied to the bass tone (typically a ratio and threshold knob or just a single knob). Some 2000s-era amps may have an
963:
or pick a power amplifier designed specifically for bass instruments. These preamps and power amps come in two formats: 19 inch rack-mountable units and units with their own wood or metal case. If a player uses a rackmountable preamp and power amp, these units and any
903:
Speaker cabinets with 1/4 input jacks typically have two parallel jacks, so that the amp head may be plugged into one cabinet, and then a second cabinet can be "daisy chained" by connecting it to the first cabinet. Cabinets with horn-loaded tweeters often have an
585:
In the 1980s the role of bass in popular and rock music evolved to become more melodic rather than simply providing a rhythmic function. The amplifier brand strongly identified with this new, 'scooped' sound (with strong bass and treble boost and mid-cut) was
1606:
Mid-to high-priced amps may have other switches (which on some amps are switched on by pulling an existing rotary knob out) that boost or cut some part of the frequency range, such as "bright boost", "deep boost" or "mid scoop" switches. Amps with an onboard
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that can handle the low range of the bass guitar. The more common use of tweeters in traditional bass guitar amplifiers in the 1990s helped bassists to use effects and perform more soloistic playing styles, which emphasize the higher range of the instrument.
911:
Bass cabinets have thicker wood panels than electric guitar amps, and often have stronger internal bracing. This reduces the likelihood of unwanted cabinet buzzes or rattles, which are more likely with bass cabinets due to the lower sound frequencies output.
1977:
bands in the 1960s and early 1970s and in traditional heavy metal bands (Led
Zeppelin) during the same era. Octave-generating effects, which generate an octave below the pitch being played are also used by bass players. Many bassists in modern-day
1138:
can be harsh-sounding. Some hybrid amp heads have a bypass switch, so that the tube preamp can be bypassed, if the tube breaks or develops a technical problem. The tube preamplified signal in a hybrid amplifier head is then sent to a solid state
943:
combined in a single unit. Some bassists use separate preamplifier/power amplifier setups, where one or more preamplifiers drive one or more power amplifiers. In the latter example, a bass player can use a bass-specific power amplifier or use a
2125:
within the professional musician market. Acoustic Image amplifiers and speaker cabinets tend to be used by professional acoustic folk and jazz musicians, and Walter Woods amplifiers are associated with professional acoustic jazz bass players.
1325:
It is generally not possible to combine high efficiency (especially at low frequencies) with both compact enclosure size and adequate low frequency response. In general, to maximize low-frequency performance, a larger cabinet size is needed.
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are more likely than bass amps to have multiple "channels", but some bass amps also have channels. By providing two or more "channels", each with its own gain, equalization and volume knobs, a bassist can preset various settings (e.g., an
1257:
The lowest note on the double bass or four-stringed electric bass is E1, two octaves below middle C (approximately 41 Hz), and on a five-string it is B0 (approximately 31 Hz). The requirement to reproduce low frequencies at high
1229:
Most amps are designed to work for a single voltage. A small number of expensive bass amps designed for touring professionals have user-selectable voltage, which enables a bassist to use same amp in both North
America and across Europe.
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amplifiers when lightly or moderately driven, and more pleasing distortion characteristics when overdriven. Some performers also believe that tube amps have a greater level of perceived loudness for a given amount of amplifier power.
328:
bass. Unlike the upright bass, a solid-body electric bass does not produce acoustic sound from a hollow body; while an upright bass player often benefits from using a bass amp, a bass amp is a necessity for an electric bass player.
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Ultrabass BVT5500H Bass
Amplifier Head has a built-in limiter and overdrive. The LowDown LD 150 bass amp has a range of overdrive sounds, from a slight hint to heavy distortion. The CUBE-20XL BASS amp includes built-in overdrive.
1714:"preamp out" and "power amp in" jacks, which can be used to make an effects loop. The power amp in jack can also be used to plug in an external preamplifier pedal, which would then bypass the amp's onboard preamp and EQ section.
1511:" attached to the low-frequency woofer's centre. The whizzer cone is about the same size as a dust cap, although it resembles a miniature speaker cone. This handles the upper frequencies that are too high for the woofer.
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or a micro-practice amp which includes a headphone jack (on bass amps, connecting headphones to a headphone jack automatically turns off the main loudspeaker). Multi-instrumentalists and bassist-singers can consider a
2089:
Bass amplifier equipment manufacturers include a variety of different types of companies, ranging from companies that only make individual components to companies that only make bass amplifiers and loudspeakers (e.g.,
1744:. Some amps have an input jack for a foot-operated switch which can be used to turn on an effect or switch to a solo channel. Some amplifiers have a "tuner out" jack, for sending the instrument signal to an external
1545:") control. A good selection of equalizer knobs and gain stages is standard on expensive amplifiers. If an amp has one or more preamp or gain knobs, the second volume knob may be called "master", "volume" or "post".
881:
Some single cabinets use mixed speaker sizes. Examples include MESA Engineering's 1x15"/4x10" cabinet, Peavey's PVH 1516, which has 1x15" and 2x8" speakers. and
Traynor's TC1510 combo, which has 1x15" and 2x10".
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This rear view of an Eden WT-400 Traveler Plus amp head shows a 1/4" speaker output, a 1/4" signal out (to plug into a second amp, if needed), a "send" and "return" jack for creating an effects loop, a
1226:
power. Inexpensive practice amps may have the AC mains plug hardwired into the unit. Middle-priced to high-priced amplifiers typically have a removable cable and plug, allowing simplified replacement.
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the higher-register sound from the electric guitar amp, while retaining the deep bass tone from the bass amp. Naturally-produced overdrive on bass obtained by cranking a tube amplifier or solid-state
1640:
jack may also have a "ground lift" switch (to be used in case of a humming ground loop), a DI out level control knob, and a switch which determines whether the DI out signal to the PA or recording
1214:(a measure of electrical resistance); the most common impedance ratings in bass speaker systems are 8 ohms and 4 ohms, although some equipment is rated down to 2 ohms or even more rarely to 1 ohm.
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mounted on the bridge. The microphone picks up the resonance coming from the body and the sounds of the strings being plucked, bowed, or slapped. The two sound signals are blended using a simple
759:
Practice amps may have an auxiliary line-in jack, allowing a CD player or electronic metronome to be mixed into the output for practice purposes. As well, there is often a headphone output jack.
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1926:
for bass. The types of pedals commonly used for electric guitar (distortion, phaser, flanger, etc.) are less commonly used for bass, at least in bands or styles where the bassist mainly plays a
2159:, or some models of acoustic instrument amplifiers which include bass as one of the instruments which can be used; all of these options have full-range speakers that can handle the bass range.
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1345:
design, which uses a port or vent cut into the cabinet and a length of carefully measured tubing or pipe to increase the low-frequency response and improve the speaker system's efficiency.
888:
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models, the knobs and switches may be on top of the amplifier, at the rear of the top surface. Again, the knobs are usually recessed below the top of the wooden cabinet to protect them.
658:
players perform at large live venues with relatively small and less powerful bass amplifiers. The reason they can do so is that most higher-priced 2010s-era bass amplifiers usually have
577:
A bass rack from a professional bass player's touring setup. The bass amplifier is the lowest chassis in the rack; above it are a wireless receiver, several pre-amplifier devices, and a
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directing the signal to the appropriate driver. Folded-horn bass guitar rigs have remained rare due to their size and weight. As well, since the 1990s, most clubs have PA systems with
806:
Bass players in quieter, more acoustic genres may be able to use smaller, more modestly powered combo amps. Bassists who play in genres more associated with a high stage volume (e.g.,
152:
1206:
The Ampeg Portaflex is a small, lightweight, yet powerful bass amplifier head. It is small and light enough to be carried with one hand, yet powerful enough to run a large bass stack.
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and a mute button, to mute the sound of tuning during a break between songs without having to change the volume settings. On some amps, vertical sliders may be provided to control a
457:, used numerous of these amps to drive cabinets with four 12" speakers and others with four 15" speakers. His amps were labelled named “Killer,” “No Remorse,” and “Murder One". The
952:
SVT8-PRO amp head puts out 2,500 watts RMS at 2 ohms, a power level that is high enough for the largest 8x10" cabinets and the largest venues (stadiums, outdoor festivals, etc.).
2269:
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and speaker cabinets as desired. As well, a failing component can be individually replaced without taking the entire rig out of service, as would occur with a combo amplifier.
1875:
use "bass stacks". Some jazz bassists and other bass players who play in small venues use specialized, expensive upright bass amps, like the Acoustic Image combo amplifier.
1395:
speaker cabinet. The wedge shape, also called a "rock back" feature, enables a bassist to point their speakers up towards themselves, to make it easier to hear their sound.
2117:
Another way of categorizing bass equipment manufacturers is by which part of the market they are targeting. While Peavey and Yorkville products are aimed at the generalist
1571:
1366:
design similar to bass-reflex, and in rare cases, some large cabinets use horn-loading of the woofers (e.g., the Acoustic 361 18" speaker cabinet from the late 1960s).
1233:
A small number of small combo amps can run on both AC mains power and battery power. This enables bassists to play outside where there is no access to power (e.g., for
1057:
were the dominant active electronic components in bass amplifiers manufactured from the 1950s until the early 1970s. Tube amplifiers for bass almost always use class AB
394:
The Vox T-60/AC-100 bass amplifier uses two 15-inch cabinets and thirty-to-forty watts of solid-state power using "germanium transistors". The Sunn Model T was used by
232:
other instruments. The loudspeakers themselves must also be sturdier to handle the higher power levels and they must be capable of reproducing very low pitches at high
1369:
Most bass combo amps and bass speaker cabinets are "front-firing," where the speakers and horn (if present) aim forward. However, because very-low-pitched sounds are
1672:
etc.). Some 2000s-era amps may have a knob to control digital amp or speaker emulation settings (e.g., emulating the tone of a huge 8x10" speaker stack or a vintage
266:
players performing in bars and brothels often found it difficult to be heard by the audience over louder instruments such as trumpet. A partial solution was playing
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of the pickup signal matches the impedance of the amplifier, which improves the tone. Some preamplifiers also have equalizers which can be used to modify the tone.
553:
PA system. The signal from each string on the bass was sent to its own amplifier and speakers. This added a wider spatial effect to the bass and also reduced the
1284:
Another abbreviation that is used is to add the wattage to the name, so a 500-watt Yamaha combo amp with two 12" speakers may be called the "Yamaha 212-500".
318:, it was not powerful enough to be used in a stadium or arena concert. Ampeg amplifiers were widely used by electric bass guitarists in the 1950s and 1960s.
310:, a flip-top 25-watt tube bass amplifier with a single 15" speaker. While the Portaflex had a pleasing bass tone, and was used by studio bassists such as
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controls (e.g., one, two or three "midrange" controls and a "presence" knob for very high frequencies) and/or add a second type of volume knob called a "
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Bass combo cabinets and speaker cabinets are typically cube- or rectangle shaped. Some small- to mid-sized combo amp cabinets have a wedge shape, like a
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still used in concerts in some genres of music, especially heavy metal, but they tend to be used more for the visual effect than for sound reproduction.
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In the early 1980s, some performers began using two-way or three-way cabinets, with 15" woofers, a vented midrange driver and a horn/driver, with an
1281:
Many manufacturers abbreviate the number and size of speakers in the name of their equipment. A cabinet with two 10" speakers may be called a "210".
2094:). At the other end of the spectrum are companies that offer bass amplification equipment as part of a much broader offering of different types of
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Large cabinets with speaker sizes other than 10", 12" or 15" are less commonly used. Examples include the 6x8" and 8x8" cab configurations.
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band, a bassist may use a multi-channel amp to have one setting with an aggressive overdrive, while another channel has a "clean" sound for
2055:
built-in overdrive channel. The Fender Bronco 40 includes a range of effects including modern bass overdrive, vintage overdrive and fuzz.
915:"Open back" bass speaker cabinets are uncommon, because the configuration increases difficulty in clearly reproducing low-frequency tones.
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While many upright bass players use combo amplifiers, bassists in genres that use high stage volume, such as the punk-rockabilly genre of
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The rear jack plate of an Ashdown 4x10" speaker cabinet shows the parallel speaker cable jacks that are usually provided on speaker cabs.
2009:
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Double bass players playing in genres where a louder amplified tone (emphasizing the fundamental frequencies) is desired may encounter
1599:
amplifier "heads", protective metal U-shaped protrusions may be used to protect the knobs during transportation. On some amps, notably
461:
Mark IV is a large, solid-state amp providing 300 watts at 2 ohms; the Mark IV was known for its affordable price and its reliability.
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Lemmy Kilmister, the bassist for Motörhead, obtained a natural fuzz bass tone by overdriving his triple 100 watt Marshall Bass stacks.
2007:
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tube preamps have a more pleasing-sounding, natural tone when the preamp's volume is pushed up so high that the bass signal becomes
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transport and set up than using separate amplifier and speaker units, and as such, they are a popular choice for many bass players.
119:
2121:, some bass equipment manufacturers, such as Acoustic Image or Walter Woods make expensive "boutique" equipment that is aimed at a
507:. At a time when most bands used 50- to 100-watt amplifiers with single cabinets, Entwistle used twin stacks with new experimental
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Separate bass amplifiers which do not contain speakers, often called "heads" or "amp heads", are usually integrated units, with a
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pedals have a DI output, so this output can similarly be connected to a PA system. Bass players who are playing in small venues (
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topology for efficiency reasons. Many bass players believe that tube amplifiers produce a "warmer" or more "natural" sound than
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between the strings. In later years, Lesh's bass signal was so powerful that fans dubbed the area in front of his speakers the
391:(Super Vacuum Tube), a 300-watt amplifier head "powered by fourteen tubes" designed to be used with an 8x10" speaker cabinet.
53:
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power amp. Bass amp heads are available in high-wattage power ratings that are not available in combo units. For example, the
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1845:, either by pulling the string until it snaps back onto the fingerboard or striking the strings, such as traditional blues,
1587:, either due to the natural effect of overloading the preamplifier (or the preamp tube on a tube amplifier) and/or due to a
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warm-up or individual practice. They are more likely than full-size combo amp cabinets to have an open-back design, like an
736:
Small practice amplifier have low wattage and low volume which make them mostly suited to individual learning of basslines.
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for combo amps and speaker cabinets are typically covered in stiff vinyl, carpet, felt or other sturdy fabric, or painted.
72:
550:
422:. The Sunn used a 150-watt amp with "four 12AX7WA tubes, followed by two 12AX7A tubes, and powered by four 6L6GC tubes".
1619:
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to improve the low-frequency response of a cabinet. Passive radiator speakers help to reduce the risk of overextension.
892:
A selection of bass cabinets. From left to right: a Fender cab, a Genz Benz cab (and amp head) and two Aguilar cabinets.
431:
1890:
1814:
A jazz bassist performing on an upright bass, using an amplifier and speaker to augment the instrument's natural volume
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On the smaller end of the speaker spectrum, some small practice combo amps have 1x3", 2x5", 1x6.5", and 1x8" speakers.
839:
various combinations, called a "bass stack". An example of the powerful, loud bass amplifier systems used in grunge is
1995:
1210:
The power handling capabilities of a speaker cabinet or individual speaker are always given in relation to a specific
524:
79:
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typically results in a loss of bass tone, because when pushed into overdrive, a note goes to the upper octave second
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A bass amp head used with two speaker cabs, with each cabinet containing two loudspeakers and a high frequency horn.
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More expensive amps may also have LEDs to indicate when the preamp has a signal present from the instrument; when a
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to radiate away the heat. For high-wattage amplifiers, a fan is often used to move air across internal heatsinks.
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The "bass stack" approach gives the bassist opportunity to customize the rig, mixing various models and brands of
46:
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If a player uses a separate preamplifier and power amplifier, she or he can buy a power amplifier intended for a
86:
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200-watt amplifiers. This, in turn, also had a strong influence on the band's contemporaries at the time, with
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was also an early adopter of the brand. The company, now dedicated to manufacturing, moved to new premises in
1919:
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1082:
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designs with sealed cabinets are relatively uncommon because they are less efficient. Some cabinets use a
504:
478:
A Kustom 200 bass amplifier from 1971, featuring a separate amp head on top of a 2 x 15" speaker cabinet..
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on the street). Amps that are battery powered may have a 12-volt input, so that it can be connected to a
148:
A Yamaha B100-115 combo amp, which contains a 100 watt amplifier and one 15" speaker in a wooden cabinet.
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Lower-priced amps may have a preamp out. Bass amps intended for use by professional players may have an
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The relationship between perceived volume (loudness) and power output in watts of an amplifier is not a
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Large speaker cabinets may have attached lifting handles and dolly wheels to facilitate transportation.
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A DNA-1350 amp head; note the three indicator LEDs on the right-hand side, indicating amplifier status.
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The glow from four "Electro Harmonix KT88" brand power tubes lights up the inside of a Canadian-made
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often blend the sounds picked up by a piezoelectric transducer with the sounds picked up by a small
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The output transistors of solid state amplifiers can be passively cooled by using metal fins called
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2147:
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1168:
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1026:(transistor) technology, or hybrid designs that use both technologies, typically by pairing a tube
201:
1922:, limiters, and equalization (modifying the bass and treble frequencies) are the most widely used
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The least expensive practice amps and basic combo amps may only have a single indicator light: an
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Since the 1960s, some bassists have obtained a similar result by plugging their bass into both an
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1600:
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A 150-watt "combo" bass amp with a horn-loaded tweeter (in the top right of the speaker cabinet).
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In some genres, bass players use a large number of speaker cabinets for a powerful onstage sound.
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1131:
1087:
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348:, Altamonts and giant festival concerts" and it was used by notable players such as funk bassist
345:
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Bass players who do not have a combo amp who are playing live shows can connect their bass to a
1930:
role. In styles of music where the bass is also used as a soloing instrument (certain genres of
975:
270:
style, slapping the strings against the fingerboard to make a relatively loud percussive sound.
2046:'s bass amp heads have a "boost" control which provides a simulated tube overdrive effect. The
877:
and a large bass stack consisting of a 1x15" cabinet, a 4x10" cabinet, and an amplifier "head".
666:
cable, and then plugged into the mainstage mixing board and amplified through the PA system or
2767:
1987:
1983:
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A bass stack consisting of an SWR amplifier head on top of Mark Bass 4x10" and 2x10" cabinets.
992:
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tone, if the audio engineer wished to have a "clean" bass sound, this could pose a challenge.
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In the 2010s, virtually all of the sound reaching the audience in large venues comes from the
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suitable for bass, so the bass player and band can hear the bass tone. Some standalone bass
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1935:
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The basic sound of the amplified electric bass or double bass can be modified by electronic
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or a knob for controlling a multi-effects unit (which might include a suboctave generator,
1615:, which is used to protect the speakers from sudden peaks in volume and from damage due to
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Another 1960s-era amp and speaker that was used for loud, large venue performances was the
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On some amps with a number of input and output jacks, the jacks may be consolidated in a
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loud enough to be heard by the performers and audience. Bass amps typically consist of a
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pickup mounted on the bridge or beneath the feet of the bridge. These pickups require a
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musicians with a loud, clear, and full-range reproduction of their instruments' sound.
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On some amps, setting the "gain" or "drive" control above a certain setting causes an
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Music store display showing a variety of bass "combo" amplifiers and speaker cabinets.
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a 4x10" cab for a nightclub show the next day, or a 1x12" cab for a studio recording.
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before the signal is sent to the bass amp. The preamplifier helps to ensure that the
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with a needle, which indicates input signal levels (pictured is the Ashdown ABM-300).
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Over the years, various Peavey bass amplifiers have had built-in distortion effects.
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cabinet with eight 10" speakers, with a separate Ampeg SVT amplifier "head" on top.
1942:), bassists may use a wider range of effects units. Jazz fusion bassists who play
1779:
1504:
be applied to the guitar amp without affecting the solidity of the bass amp tone.
1287:
855:
cabinets for the low register, and the other two plugged into two 8x10" cabinets.
454:
289:
144:
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Almost all bass amplifiers are designed for use with an electric bass, which has
653:, several Ampeg cabinets with multiple 10" speakers can be seen on the left side.
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used an unusual method of bass amplification which was part of the band's 1970s
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1970:
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1352:, a "drone cone" lacking a voice coil, which is used in addition to a regular
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2218:(any professional recording studio will have one), which is connected to the
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1966:
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344:. The Acoustic 360 and its 361 cabinet "...got the bass world ready for the
338:
267:
261:
The bassists who first sought methods to make their instruments louder were
220:
137:
862:
756:
may use battery-powered practice amps, a feature available on some models.
641:
333:
cabinet in 1967, Harvey Gerst and Russ Allee, mounted the 18" speaker in a
1969:" where the bass is distorted either by overdriving the amp or by using a
1384:
cabinets. The deep bass tone radiates from the cabinet in all directions.
2999:
2966:
2956:
2916:
2842:
2455:
2176:
2018:
2012:
1965:
music. As well, since the 1960s and 1970s, bands have experimented with "
1759:
have both a 1/4" input for a piezoelectric pickup and an XLR input for a
1673:
1576:
1556:
setting for playing a backing part and a solo bass setting for playing a
1223:
1190:
753:
623:
782:
session. DI out-equipped units effectively turn the practice amp into a
156:
A Hartke 500 watt amp "head" on top of an Ashdown 4x10" speaker cabinet.
17:
2807:
2625:"Beginners bass amplifier guide - Which one should I buy? - Which Bass"
2215:
2183:
2004:
1795:
1612:
1470:
1433: in this section. Unsourced material may be challenged and removed.
1234:
500:
407:
3009:
1951:
1831:
1706:
1694:
1665:
1637:
1565:
1374:
1353:
763:
749:
659:
627:
2477:
1630:, which gives the bassist control over a number of frequency bands.
1303:
Keyboard players who use subwoofers for on-stage monitoring include
1186:
573:
2226:
can provide the bassist with the sound of their instrument through
1134:; in contrast, a solid state preamp that is pushed to the point of
732:
698:
In some small to mid-size venues, such as bars and nightclubs, the
2283:
2146:
bass amp for people who have noise or space constraints include a
2136:
2080:
2057:
2028:
1889:
1809:
1778:
1716:
1687:
1570:
1523:
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1328:
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1248:
1201:
1185:
1177:
1150:
1091:
1081:
1041:
1003:
974:
949:
927:
A Hartke LH500 bass amplifier "head", which is rated at 500 watts.
922:
887:
861:
821:
814:) may tend to use, larger, more powerful (in wattage) combo amps.
793:
731:
640:
631:
572:
495:
bass amp being sent to one or more "slave" amps. In the mid-1960s
473:
450:
306:
version with a 15-inch speaker. In 1960, they introduced the B-15
302:
294:
288:
248:
151:
143:
131:
2867:
2852:
2470:"Pro Audio Company Names: Mysterious Initials -- What They Mean"
1962:
1853:
430:
preamp simulator circuit called "boost". GK 800RB users include
2721:
2717:
1918:
instrument in many styles of music, preamplifiers ("preamps"),
2360:"Catch of the Day: Circa 1969 Acoustic 360/361 Bass Amplifier"
2211:
1788:
1402:
703:
require a large combo amp or bass stack with this capability.
380:. In December 1967, the loud sound of the Acoustic 360 led to
29:
1725:
Some bass amps have an auxiliary in jack, for plugging in a
1528:
The controls for a rackmount bass amp "head", the Hevos400D.
364:. John Paul Jones used two of the amp/cabs in Led Zeppelin;
2602:
2526:"Mesa/Boogie PowerHouse Bass Cabinet - 1x15" + 4x10" 4 Ohm"
1841:
Double bass players performing in genres where the bass is
851:-2PRO amplifier heads, two of them plugged into four 1x18"
273:
In 1933, the Audiovox Manufacturing Company was founded by
1348:
Less commonly, some bass speaker cabinets use one or more
324:
resurrected the solid-body "bass guitar" in 1950 with the
1798:
or similar speaker protection feature is activated; when
1737:. Some bass amps also have an external speaker out jack.
1477:, are included in some bass instrument speaker cabinets.
1193:
playing a cello through an Acoustic brand amplifier head.
1652:
Some bass amps may have additional controls for onboard
1697:, auxiliary left and right inputs and a tuner out jack.
1957:
A range of other effects are used in various genres. "
1377:
that point down or to the rear, as do many designs of
716:-able components, which can be screw-mounted in a 19"
2713:
Bass amplifier types and related. - Bassamplifier.org
1822:. The signal from a double bass usually comes from a
2551:"Peavey PVH 1516 - 1x15" and 2x8" 900W Bass Cabinet"
2270:
List of bass amplifier and loudspeaker manufacturers
2077:
List of bass amplifier and loudspeaker manufacturers
1295:
Bassists who want a more powerful low end may use a
503:) was one of the first major players to make use of
2980:
2875:
2755:
1802:is occurring; or when the amp is in standby mode.
219:, due to the particular challenges associated with
60:. Unsourced material may be challenged and removed.
1125:Hybrid bass amplifier heads typically pair a tube
376:played with the amp/cab in the beginning years of
2651:"How to Choose the Best Bass Amplifier - the Hub"
2042:combo amplifiers have a built-in "drive" effect.
2038:"saturation" control for overdrive. A variety of
172:that uses electrical power to make lower-pitched
2167:amp is because this arrangement enables them to
972:, can be mounted in 19" rack mount road cases.
1961:" and "synth" bass effects are associated with
1768:
1709:so that the amp can be connected directly to a
449:The Marshall JMP Super Bass is a 100 watt amp.
253:A 1930s era combo amplifier and a Rickenbacker
2162:While electric bass players have used regular
1541:" (or "preamp"/"pre"), or "drive" (short for "
979:A Mesa/Boogie bass amplifier "head"; note the
2733:
2426:"6 Classic Bass Amps You Should Know Part II"
2392:"6 Classic Bass Amps You Should Know Part II"
2141:A Little Dot Mk III tube headphone amplifier.
1755:A small number of bass amps designed for the
1575:An unusual feature on Ashdown bass amps is a
1070:lifespan or producing tonal inconsistencies.
223:. This distinction affects the design of the
207:While bass amps share many features with the
8:
2299:Vacuum Tube Guitar and Bass Amplifier Theory
1767:for combining the two signals, as described
1222:Most modern bass amps are powered solely by
384:getting "...arrested for noise violations".
27:Electronic amplifier for musical instruments
1633:Higher-cost amps for professionals with an
1341:Most bass speaker cabinets employ a vented
1002:Some professional-grade amp heads, such as
482:The early rock bands of the 1960s used the
2740:
2726:
2718:
2701:"Fender Rumble 75 75W 1x12 Bass Combo Amp"
2330:"6 Classic Amps Every Bassist Should Know"
1449:Learn how and when to remove this message
634:, in 1985 to satisfy the growing demand.
277:, subsequently the inventor of the first
120:Learn how and when to remove this message
1791:to indicate when the amp's power is on.
1022:("thermionic" or in the UK, "valve") or
561:, which was referenced in the band's CD
215:, they are distinct from other types of
2419:
2417:
2415:
2413:
2385:
2383:
2381:
2358:Simmons, Michael John (November 2013).
2353:
2351:
2323:
2321:
2319:
2317:
2315:
2311:
1894:A selection of bass effect pedals at a
762:Higher-priced practice amps may have a
2604:Power Amplifiers – General Information
2292:Amps!: The Other Half of Rock 'n' Roll
770:signal can be connected directly to a
337:enclosure; the 360 amp had a built-in
7:
2290:Fliegler, Ritchie and Eiche, Jon F.
2198:can then route the bass signal to a
1906:. Since the bass typically plays an
1431:adding citations to reliable sources
834:) in front of a wall of bass stacks.
170:musical instrument electronic device
58:adding citations to reliable sources
1763:mounted on the bass, with a simple
1507:Some bass amplifier combos have a "
662:jacks that can be patched into the
2575:McCullough, Michael "Mac" (1995),
1868:and then routed to the amplifier.
1515:Controls, jacks and indicator LEDs
908:knob for controlling the tweeter.
25:
2424:Garland, Eric (30 October 2015).
2390:Garland, Eric (30 October 2015).
2328:Garland, Eric (30 October 2015).
2284:Ampeg: The Story Behind the Sound
2281:Hopkins, Gregg; and Moore, Bill.
939:(bass and treble controls) and a
2866:
2454:. Mahogany. 2006. Archived from
2294:. Hal Leonard Corporation, 1993.
1407:
1373:, some combos and cabinets have
1106:-based amplifiers (also called "
467:developed a bass amplifier, the
221:low-frequency sound reproduction
34:
2301:. Bold Strummer, Limited, 1996.
2025:Overdrive built into amplifiers
1549:Amplifiers for electric guitars
1418:needs additional citations for
45:needs additional citations for
1676:by famous makers, such as the
1050:YBA-200 bass guitar amplifier.
1:
1999:Electro-Harmonix Bass Blogger
1991:effects for bass include the
1159:amplifier head's front panel.
551:Wall of Sound (Grateful Dead)
297:B-15 amp and speaker cabinet.
227:, the size and design of the
2476:. 2007-02-15. Archived from
1973:unit. Fuzz bass was used by
1886:Preamplification and effects
859:and difficult to transport.
1018:Amplifiers may be based on
798:A Markbass 3x10" combo amp.
525:the Jimi Hendrix Experience
3087:
2265:Isolation cabinet (guitar)
2074:
2005:Tech21 Sansamp Bass Driver
1806:Amplifying the double bass
1337:schematic (cross-section).
1318:
957:sound reinforcement system
946:sound reinforcement system
776:sound reinforcement system
752:playing on the street for
668:sound reinforcement system
563:Fallout from the Phil Zone
555:Intermodulation distortion
2864:
2665:"Amplifier Buyer's Guide"
2019:Electro-Harmonix Big Muff
1993:BOSS ODB-3 Bass Overdrive
1350:passive radiator speakers
1147:Power in watts and volume
1078:Solid state amplification
983:sliders on the right side
453:, bassist/lead singer of
2013:DigiTech XBD Bass Driver
1098:By the 1960s and 1970s,
1006:'s SVT400-PRO, have an
847:'s setup. He uses four
360:and jazz fusion player
3071:Contrabass instruments
3061:Folk music instruments
3056:Rock music instruments
2506:. Bass Player Magazine
2452:"Product line summary"
2186:and from there to the
2142:
2100:public address systems
2086:
2063:
2034:
1899:
1815:
1784:
1722:
1698:
1684:Input and output jacks
1580:
1529:
1466:
1338:
1292:
1254:
1241:with alligator clips.
1207:
1194:
1183:
1160:
1095:
1094:8x10" speaker cabinet.
1090:bass amp head with an
1051:
984:
928:
893:
878:
835:
799:
737:
654:
645:In this 2007 photo of
582:
479:
298:
258:
157:
149:
141:
3041:Instrument amplifiers
3031:Electric bass guitars
2995:Low-frequency effects
2190:. In a well-equipped
2140:
2096:instrument amplifiers
2084:
2061:
2032:
1893:
1813:
1782:
1720:
1691:
1574:
1527:
1464:
1332:
1321:Loudspeaker enclosure
1307:players who use bass
1290:
1260:sound pressure levels
1252:
1205:
1189:
1181:
1154:
1085:
1045:
978:
926:
891:
865:
825:
797:
735:
644:
576:
527:both following suit.
486:only for vocals. The
477:
432:Red Hot Chili Peppers
292:
255:electric upright bass
252:
234:sound pressure levels
217:amplification systems
164:(also abbreviated to
155:
147:
135:
2763:Acoustic bass guitar
2364:fretboardjournal.com
2287:. Hal Leonard, 1999.
2250:Instrument amplifier
1862:condenser microphone
1761:condenser microphone
1647:parametric equalizer
1427:improve this article
1014:Amplifier technology
875:Reverend Horton Heat
720:for protection. The
54:improve this article
2818:Contrabass trombone
2366:. Fretboard Journal
2148:headphone amplifier
1830:or preamp-equipped
1360:Acoustic suspension
1165:linear relationship
2194:or music bar, the
2153:keyboard amplifier
2143:
2087:
2064:
2035:
1900:
1816:
1785:
1723:
1699:
1581:
1530:
1467:
1339:
1293:
1255:
1208:
1195:
1184:
1161:
1096:
1052:
1038:Tube amplification
1030:with a transistor
985:
929:
894:
879:
836:
800:
774:for a live show's
738:
722:speaker enclosures
655:
649:'s singer-bassist
583:
488:electric guitarist
480:
299:
259:
158:
150:
142:
3051:Blues instruments
3018:
3017:
2768:Bass (voice type)
2631:. 15 October 2016
2164:guitar amplifiers
1954:for their solos.
1628:graphic equalizer
1594:being turned on.
1459:
1458:
1451:
1364:transmission-line
1171:at high volumes.
1155:A close-up of an
1136:signal "clipping"
993:graphic equalizer
981:graphic equalizer
970:audio compressors
579:power conditioner
209:guitar amplifiers
200:("drivers") in a
130:
129:
122:
104:
16:(Redirected from
3078:
3066:Jazz instruments
2870:
2798:Bass synthesizer
2742:
2735:
2728:
2719:
2705:
2704:
2697:
2691:
2690:
2689:
2688:
2675:
2669:
2668:
2661:
2655:
2654:
2647:
2641:
2640:
2638:
2636:
2621:
2615:
2614:
2613:
2612:
2599:
2593:
2592:
2591:
2590:
2581:, archived from
2572:
2566:
2565:
2563:
2561:
2547:
2541:
2540:
2538:
2536:
2522:
2516:
2515:
2513:
2511:
2495:
2489:
2488:
2486:
2485:
2474:Rane Corporation
2466:
2464:
2463:
2448:
2442:
2441:
2439:
2437:
2421:
2408:
2407:
2405:
2403:
2387:
2376:
2375:
2373:
2371:
2355:
2346:
2345:
2343:
2341:
2325:
2255:Guitar amplifier
1975:psychedelic rock
1936:progressive rock
1820:magnetic pickups
1746:electronic tuner
1624:electronic tuner
1609:audio compressor
1585:overdrive effect
1454:
1447:
1443:
1440:
1434:
1411:
1403:
1262:means that most
1169:audio compressor
608:Brian Helicopter
492:electric bassist
326:Fender Precision
196:and one or more
125:
118:
114:
111:
105:
103:
69:"Bass amplifier"
62:
38:
30:
21:
3086:
3085:
3081:
3080:
3079:
3077:
3076:
3075:
3021:
3020:
3019:
3014:
2982:
2976:
2877:
2871:
2862:
2751:
2746:
2709:
2708:
2699:
2698:
2694:
2686:
2684:
2677:
2676:
2672:
2663:
2662:
2658:
2649:
2648:
2644:
2634:
2632:
2629:whichbass.co.uk
2623:
2622:
2618:
2610:
2608:
2601:
2600:
2596:
2588:
2586:
2574:
2573:
2569:
2559:
2557:
2549:
2548:
2544:
2534:
2532:
2524:
2523:
2519:
2509:
2507:
2497:
2496:
2492:
2483:
2481:
2468:
2461:
2459:
2450:
2449:
2445:
2435:
2433:
2423:
2422:
2411:
2401:
2399:
2389:
2388:
2379:
2369:
2367:
2357:
2356:
2349:
2339:
2337:
2327:
2326:
2313:
2308:
2297:Zottola, Tino.
2278:
2276:Further reading
2236:
2135:
2129:
2112:Yorkville Sound
2092:Gallien-Krueger
2079:
2073:
2044:Gallien-Krueger
2027:
1888:
1808:
1777:
1686:
1617:power amplifier
1596:Tube amplifiers
1522:
1517:
1498:electric guitar
1482:audio crossover
1469:High frequency
1455:
1444:
1438:
1435:
1424:
1412:
1401:
1371:omnidirectional
1323:
1317:
1309:pedal keyboards
1247:
1220:
1200:
1149:
1141:power amplifier
1123:
1080:
1060:
1040:
1032:power amplifier
1016:
1008:audio crossover
997:power amplifier
941:power amplifier
921:
841:Alice in Chains
820:
792:
780:sound recording
743:electric guitar
730:
709:
592:John Paul Jones
571:
505:Marshall stacks
427:Gallien-Krueger
396:The Moody Blues
368:used them with
358:John Paul Jones
287:
247:
242:
229:speaker cabinet
213:electric guitar
194:power amplifier
126:
115:
109:
106:
63:
61:
51:
39:
28:
23:
22:
15:
12:
11:
5:
3084:
3082:
3074:
3073:
3068:
3063:
3058:
3053:
3048:
3043:
3038:
3033:
3023:
3022:
3016:
3015:
3013:
3012:
3007:
3002:
2997:
2992:
2990:Bass amplifier
2986:
2984:
2978:
2977:
2975:
2974:
2969:
2964:
2959:
2954:
2949:
2944:
2939:
2937:Unfigured bass
2934:
2929:
2924:
2922:Basso continuo
2919:
2914:
2909:
2908:
2907:
2902:
2892:
2887:
2885:Alternate bass
2881:
2879:
2873:
2872:
2865:
2863:
2861:
2860:
2855:
2850:
2848:Pedal keyboard
2845:
2840:
2835:
2830:
2825:
2820:
2815:
2810:
2805:
2800:
2795:
2793:Bass saxophone
2790:
2785:
2780:
2775:
2770:
2765:
2759:
2757:
2753:
2752:
2747:
2745:
2744:
2737:
2730:
2722:
2716:
2715:
2707:
2706:
2692:
2670:
2656:
2642:
2616:
2594:
2567:
2542:
2517:
2504:bassplayer.com
2490:
2443:
2409:
2377:
2347:
2310:
2309:
2307:
2304:
2303:
2302:
2295:
2288:
2277:
2274:
2273:
2272:
2267:
2262:
2260:Guitar speaker
2257:
2252:
2247:
2245:Guitar effects
2242:
2235:
2232:
2224:audio engineer
2196:audio engineer
2134:
2131:
2108:Carvin A&I
2075:Main article:
2072:
2069:
2026:
2023:
1928:rhythm section
1916:rhythm section
1887:
1884:
1880:audio feedback
1807:
1804:
1776:
1775:Indicator LEDs
1773:
1685:
1682:
1521:
1518:
1516:
1513:
1457:
1456:
1415:
1413:
1406:
1400:
1397:
1333:A bass reflex
1319:Main article:
1316:
1315:Cabinet design
1313:
1305:electric organ
1246:
1243:
1219:
1216:
1199:
1196:
1148:
1145:
1122:
1119:
1079:
1076:
1058:
1039:
1036:
1015:
1012:
920:
917:
819:
816:
812:electric blues
791:
788:
766:, so that the
729:
726:
708:
705:
680:audio engineer
570:
567:
497:John Entwistle
469:Fender Bassman
412:John Entwistle
362:Jaco Pastorius
312:James Jamerson
286:
283:
246:
243:
241:
238:
162:bass amplifier
128:
127:
42:
40:
33:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3083:
3072:
3069:
3067:
3064:
3062:
3059:
3057:
3054:
3052:
3049:
3047:
3044:
3042:
3039:
3037:
3034:
3032:
3029:
3028:
3026:
3011:
3008:
3006:
3003:
3001:
2998:
2996:
2993:
2991:
2988:
2987:
2985:
2979:
2973:
2970:
2968:
2965:
2963:
2960:
2958:
2955:
2953:
2950:
2948:
2945:
2943:
2940:
2938:
2935:
2933:
2930:
2928:
2925:
2923:
2920:
2918:
2915:
2913:
2910:
2906:
2903:
2901:
2898:
2897:
2896:
2893:
2891:
2888:
2886:
2883:
2882:
2880:
2874:
2869:
2859:
2856:
2854:
2851:
2849:
2846:
2844:
2841:
2839:
2838:Keyboard bass
2836:
2834:
2831:
2829:
2826:
2824:
2821:
2819:
2816:
2814:
2813:Contrabassoon
2811:
2809:
2806:
2804:
2803:Bass trombone
2801:
2799:
2796:
2794:
2791:
2789:
2786:
2784:
2781:
2779:
2776:
2774:
2773:Bass clarinet
2771:
2769:
2766:
2764:
2761:
2760:
2758:
2754:
2750:
2743:
2738:
2736:
2731:
2729:
2724:
2723:
2720:
2714:
2711:
2710:
2702:
2696:
2693:
2682:
2681:
2674:
2671:
2667:. 2018-08-26.
2666:
2660:
2657:
2652:
2646:
2643:
2630:
2626:
2620:
2617:
2606:
2605:
2598:
2595:
2585:on 2006-10-19
2584:
2580:
2579:
2571:
2568:
2556:
2552:
2546:
2543:
2531:
2527:
2521:
2518:
2505:
2501:
2498:Jisi, Chris.
2494:
2491:
2480:on 2008-06-25
2479:
2475:
2471:
2458:on 2007-02-07
2457:
2453:
2447:
2444:
2431:
2427:
2420:
2418:
2416:
2414:
2410:
2397:
2393:
2386:
2384:
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2378:
2365:
2361:
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2348:
2335:
2331:
2324:
2322:
2320:
2318:
2316:
2312:
2305:
2300:
2296:
2293:
2289:
2286:
2285:
2280:
2279:
2275:
2271:
2268:
2266:
2263:
2261:
2258:
2256:
2253:
2251:
2248:
2246:
2243:
2241:
2238:
2237:
2233:
2231:
2229:
2225:
2221:
2220:audio console
2217:
2213:
2209:
2205:
2201:
2200:stage monitor
2197:
2193:
2189:
2185:
2180:
2178:
2174:
2170:
2165:
2160:
2158:
2154:
2149:
2139:
2132:
2130:
2127:
2124:
2120:
2115:
2113:
2109:
2105:
2101:
2097:
2093:
2083:
2078:
2071:Manufacturers
2070:
2068:
2060:
2056:
2052:
2049:
2045:
2041:
2031:
2024:
2022:
2020:
2016:
2014:
2010:
2008:
2006:
2002:
2000:
1996:
1994:
1989:
1985:
1981:
1976:
1972:
1968:
1964:
1960:
1955:
1953:
1949:
1948:chorus effect
1945:
1944:fretless bass
1941:
1937:
1933:
1929:
1925:
1921:
1917:
1913:
1909:
1908:accompaniment
1905:
1897:
1892:
1885:
1883:
1881:
1876:
1874:
1869:
1867:
1863:
1859:
1855:
1852:
1848:
1844:
1839:
1837:
1833:
1829:
1825:
1824:piezoelectric
1821:
1812:
1805:
1803:
1801:
1797:
1792:
1790:
1781:
1774:
1772:
1770:
1766:
1762:
1758:
1753:
1749:
1747:
1743:
1738:
1736:
1732:
1731:keyboard bass
1728:
1719:
1715:
1712:
1708:
1707:XLR DI output
1703:
1696:
1690:
1683:
1681:
1679:
1675:
1671:
1667:
1663:
1659:
1655:
1650:
1648:
1643:
1639:
1636:
1631:
1629:
1625:
1621:
1618:
1614:
1610:
1604:
1602:
1597:
1593:
1590:
1586:
1578:
1573:
1569:
1567:
1563:
1559:
1555:
1554:accompaniment
1550:
1546:
1544:
1540:
1536:
1526:
1519:
1514:
1512:
1510:
1505:
1502:
1499:
1494:
1490:
1487:
1483:
1478:
1476:
1472:
1463:
1453:
1450:
1442:
1432:
1428:
1422:
1421:
1416:This section
1414:
1410:
1405:
1404:
1398:
1396:
1394:
1393:stage monitor
1390:
1385:
1383:
1380:
1376:
1372:
1367:
1365:
1361:
1357:
1355:
1351:
1346:
1344:
1336:
1331:
1327:
1322:
1314:
1312:
1310:
1306:
1301:
1298:
1289:
1285:
1282:
1279:
1276:
1272:
1270:
1265:
1261:
1251:
1244:
1242:
1240:
1236:
1231:
1227:
1225:
1217:
1215:
1213:
1204:
1197:
1192:
1188:
1180:
1176:
1172:
1170:
1166:
1158:
1153:
1146:
1144:
1142:
1137:
1133:
1128:
1120:
1118:
1116:
1111:
1109:
1105:
1101:
1100:semiconductor
1093:
1089:
1084:
1077:
1075:
1071:
1067:
1064:
1056:
1049:
1044:
1037:
1035:
1033:
1029:
1025:
1021:
1013:
1011:
1009:
1005:
1000:
998:
994:
990:
982:
977:
973:
971:
968:, such as an
967:
962:
958:
953:
951:
947:
942:
938:
934:
925:
918:
916:
913:
909:
907:
901:
898:
890:
886:
883:
876:
873:onstage with
872:
871:Jimbo Wallace
868:
864:
860:
856:
854:
850:
846:
842:
833:
829:
824:
817:
815:
813:
809:
804:
796:
789:
787:
785:
781:
777:
773:
769:
765:
760:
757:
755:
751:
746:
744:
734:
728:Practice amps
727:
725:
723:
719:
715:
706:
704:
701:
696:
692:
690:
686:
681:
676:
671:
669:
665:
661:
652:
648:
643:
639:
635:
633:
629:
625:
621:
617:
613:
609:
605:
601:
597:
593:
589:
580:
575:
568:
566:
564:
560:
556:
552:
548:
544:
543:Grateful Dead
540:
538:
534:
528:
526:
522:
518:
514:
510:
506:
502:
498:
493:
489:
485:
476:
472:
470:
466:
462:
460:
456:
452:
447:
445:
441:
440:Guns N' Roses
437:
433:
428:
423:
421:
417:
413:
409:
405:
401:
397:
392:
390:
385:
383:
379:
378:Fleetwood Mac
375:
371:
367:
363:
359:
355:
351:
347:
343:
340:
336:
330:
327:
323:
319:
317:
313:
309:
304:
296:
291:
284:
282:
280:
279:electric bass
276:
271:
269:
264:
256:
251:
244:
239:
237:
235:
230:
226:
222:
218:
214:
210:
205:
203:
199:
195:
191:
190:tone controls
187:
183:
179:
175:
171:
167:
163:
154:
146:
139:
134:
124:
121:
113:
102:
99:
95:
92:
88:
85:
81:
78:
74:
71: –
70:
66:
65:Find sources:
59:
55:
49:
48:
43:This article
41:
37:
32:
31:
19:
3046:Bass (sound)
3036:Loudspeakers
2989:
2983:reproduction
2972:Walking bass
2932:Figured bass
2895:Bass effects
2876:Performance/
2858:Washtub bass
2749:Bass (sound)
2695:
2685:, retrieved
2679:
2673:
2659:
2645:
2633:. Retrieved
2628:
2619:
2609:, retrieved
2603:
2597:
2587:, retrieved
2583:the original
2578:Cool it, man
2577:
2570:
2558:. Retrieved
2554:
2545:
2533:. Retrieved
2529:
2520:
2508:. Retrieved
2503:
2493:
2482:. Retrieved
2478:the original
2460:. Retrieved
2456:the original
2446:
2434:. Retrieved
2429:
2400:. Retrieved
2395:
2368:. Retrieved
2363:
2338:. Retrieved
2333:
2298:
2291:
2282:
2240:Bass effects
2208:coffeehouses
2204:preamplifier
2181:
2173:preamplifier
2161:
2144:
2133:Alternatives
2128:
2123:niche market
2116:
2088:
2065:
2053:
2036:
1956:
1924:effect units
1912:beat keeping
1904:bass effects
1901:
1877:
1870:
1856:, folk, and
1840:
1828:preamplifier
1817:
1793:
1786:
1757:upright bass
1754:
1750:
1739:
1727:drum machine
1724:
1711:mixing board
1704:
1700:
1651:
1642:mixing board
1632:
1605:
1582:
1547:
1539:preamplifier
1531:
1509:whizzer cone
1506:
1495:
1491:
1479:
1473:, typically
1468:
1445:
1436:
1425:Please help
1420:verification
1417:
1389:keyboard amp
1386:
1368:
1358:
1347:
1340:
1324:
1302:
1294:
1283:
1280:
1277:
1273:
1269:Trace Elliot
1264:loudspeakers
1256:
1245:Loudspeakers
1232:
1228:
1221:
1218:Power supply
1209:
1173:
1162:
1127:preamplifier
1124:
1112:
1097:
1072:
1068:
1055:Vacuum tubes
1053:
1028:preamplifier
1017:
1001:
989:preamplifier
986:
966:effect units
954:
933:preamplifier
930:
914:
910:
902:
899:
895:
884:
880:
857:
837:
805:
801:
784:preamplifier
772:mixing board
768:preamplifier
761:
758:
747:
739:
710:
697:
693:
687:to create a
672:
656:
636:
596:Led Zeppelin
588:Trace Elliot
584:
558:
541:
529:
521:Noel Redding
481:
463:
448:
444:Duff McKagan
424:
393:
386:
354:Led Zeppelin
350:Larry Graham
342:effects unit
331:
320:
300:
275:Paul Tutmarc
272:
263:upright bass
260:
225:loudspeakers
206:
198:loudspeakers
186:preamplifier
176:such as the
165:
161:
159:
116:
107:
97:
90:
83:
76:
64:
52:Please help
47:verification
44:
2952:Lament bass
2900:Bass chorus
2823:Double bass
2788:Bass pedals
2783:Bass guitar
2756:Instruments
2680:Frequencies
2500:"Mike Inez"
2119:mass market
1984:heavy metal
1940:jazz fusion
1932:heavy metal
1920:compression
1896:music store
1873:psychobilly
1851:psychobilly
1735:synthesizer
1658:bass chorus
1645:may have a
1562:heavy metal
1475:horn-loaded
1379:home cinema
1343:bass-reflex
1239:car battery
1108:solid state
1074:state amp.
1063:solid state
1024:solid state
867:Psychobilly
818:Bass stacks
764:DI out jack
745:combo amp.
664:audio snake
600:Andy Rourke
569:1980s–2010s
533:Jack Casady
356:'s bassist
335:folded horn
285:1950s–1970s
245:1920s–1940s
182:double bass
178:bass guitar
174:instruments
3025:Categories
2942:Partimento
2687:2010-08-23
2611:2010-08-23
2589:2010-08-23
2555:Sweetwater
2530:Sweetwater
2484:2007-06-16
2462:2007-06-16
2430:reverb.com
2396:reverb.com
2334:reverb.com
2306:References
2228:headphones
2155:, a small
2017:, and the
1986:bands use
1971:distortion
1914:role as a
1847:rockabilly
1589:distortion
1501:guitar amp
1486:subwoofers
1439:March 2010
1132:overdriven
1115:heat sinks
1104:transistor
906:attenuator
828:Jeff Ament
790:Combo amps
647:The Police
616:The Shapes
604:The Smiths
537:Carol Kaye
513:Jack Bruce
374:John McVie
366:Dave Brown
346:Woodstocks
322:Leo Fender
316:Carol Kaye
293:A vintage
257:from 1935.
80:newspapers
3005:Subwoofer
2962:Slap bass
2947:Jazz bass
2912:Bass note
2905:Fuzz bass
2890:Bass clef
2833:GuitarrĂłn
2828:Euphonium
2778:Bass drum
2510:1 October
2192:nightclub
2188:PA system
2169:overdrive
2157:PA system
2048:Behringer
1988:overdrive
1980:hard rock
1967:fuzz bass
1858:bluegrass
1836:impedance
1742:patch bay
1695:DI output
1678:Ampeg SVT
1670:fuzz bass
1558:bass solo
1543:overdrive
1382:subwoofer
1335:enclosure
1297:subwoofer
1212:impedance
1198:Impedance
1157:Ampeg SVT
961:PA system
937:equalizer
853:subwoofer
849:Ampeg SVT
845:Mike Inez
832:Pearl Jam
808:hard rock
778:or for a
718:road case
714:rackmount
700:PA system
689:fuzz bass
675:PA system
660:DI output
620:Mark King
559:Phil Zone
547:Phil Lesh
509:prototype
484:PA system
455:Motörhead
420:Geddy Lee
389:Ampeg SVT
382:The Doors
339:fuzz bass
308:Portaflex
268:slap bass
211:used for
138:Ampeg SVT
3000:Sub-bass
2967:Walkdown
2957:Ostinato
2917:Bassline
2878:notation
2843:Octobass
2635:10 April
2560:10 April
2535:10 April
2436:12 March
2432:. Reverb
2402:12 March
2398:. Reverb
2340:12 March
2336:. Reverb
2234:See also
2210:, small
2177:harmonic
1946:may use
1800:clipping
1674:tube amp
1656:such as
1620:clipping
1577:VU meter
1560:). In a
1520:Controls
1471:tweeters
1399:Tweeters
1224:AC mains
1191:Don Kerr
869:bassist
843:bassist
826:Bassist
685:clipping
624:Level 42
545:bassist
434:bassist
166:bass amp
110:May 2018
18:Bass amp
2808:Bassoon
2216:DI unit
2184:DI unit
2102:(e.g.,
1959:Wah-wah
1843:slapped
1796:limiter
1654:effects
1613:limiter
1566:ballads
1375:woofers
1235:busking
1048:Traynor
750:buskers
501:The Who
408:The Who
370:Santana
240:History
202:cabinet
168:) is a
94:scholar
3010:Woofer
2927:Burden
2370:15 May
2222:; the
2104:Peavey
2011:, the
1952:reverb
1832:DI box
1666:reverb
1662:chorus
1638:DI out
1601:Roland
1592:effect
1354:woofer
1121:Hybrid
1088:Peavey
786:unit.
628:Witham
465:Fender
459:Peavey
96:
89:
82:
75:
67:
2981:Sound
2467:). (
1866:mixer
1769:below
1765:mixer
1391:or a
1092:Ampeg
1004:Ampeg
950:Ampeg
919:Heads
748:Some
707:Types
651:Sting
632:Essex
614:band
517:Cream
451:Lemmy
404:Queen
303:Ampeg
295:Ampeg
101:JSTOR
87:books
2853:Tuba
2637:2018
2562:2018
2537:2018
2512:2009
2438:2017
2404:2017
2372:2017
2342:2017
2212:pubs
2098:and
2040:BOSS
1982:and
1963:funk
1950:and
1938:and
1854:jazz
1537:", "
1535:gain
1020:tube
754:tips
612:punk
606:and
535:and
519:and
490:and
438:and
436:Flea
425:The
416:Rush
414:and
400:Kiss
314:and
301:The
192:, a
73:news
2114:.)
2110:or
1789:LED
1733:or
1680:).
1635:XLR
1611:or
1429:by
1271:).
1102:or
959:or
810:or
622:of
610:of
602:of
594:of
523:of
515:of
418:'s
410:'s
180:or
136:An
56:by
3027::
2683:,
2627:.
2607:,
2553:.
2528:.
2502:.
2472:.
2428:.
2412:^
2394:.
2380:^
2362:.
2350:^
2332:.
2314:^
2230:.
2179:.
2106:,
2021:.
2003:,
1997:,
1934:,
1910:,
1849:,
1771:.
1748:.
1729:,
1668:,
1664:,
1568:.
1086:A
1034:.
995:,
991:,
935:,
670:.
630:,
618:.
598:,
565:.
539:.
446:.
442:'
406:,
402:,
398:,
372:;
352:,
236:.
204:.
188:,
160:A
2741:e
2734:t
2727:v
2703:.
2653:.
2639:.
2564:.
2539:.
2514:.
2487:.
2465:.
2440:.
2406:.
2374:.
2344:.
1898:.
1452:)
1446:(
1441:)
1437:(
1423:.
1059:1
830:(
581:.
499:(
123:)
117:(
112:)
108:(
98:·
91:·
84:·
77:·
50:.
20:)
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