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90:. The tape is threaded between the capstan and one or more rubber-covered wheels, called pinch rollers, which press against the capstan, thus providing friction necessary for the capstan to pull the tape. The capstan is always placed downstream (in the direction of tape motion) from the tape heads. To maintain the required tension against the
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The tape head is the part of a tape recording or playback device which converts the magnetic fluctuations present in the tape into an electrical signal, which is then amplified and sent to speakers or headphones. The tape head is set off-center in a multitrack device in order to record or play one or
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RS-1520 tape recorder, which utilizes two pinch rollers located on opposite sides of a single capstan shaft, providing a more stable transport across two sets of magnetic heads. Dual pinch rollers are also used (along with dual capstans) in auto-reverse cassette decks to drive the tape in both
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during machine operation. The recorders equipped with a tension arm can utilize more than one of them to control tape tension in different direction of winding or during different modes of tape operation. Tension arms can also be found on digital data recorders and other types of
106:. The alternative to capstan drive, simply driving the tape takeup reel (which was used on some cheap tape recorders), causes problems both with the speed difference between a full and empty reel and with speed variations as described.
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The use of a capstan allows the tape to run at a precise and constant speed. Capstans are precision-machined spindles, and polished very smooth: any out-of-roundness or imperfections can cause uneven motion and an audible effect called
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in the direction of the moving tape. However multiple pinch rollers may also be employed in association with one or more capstans. An example of the application of multiple pinch rollers is the
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Dual capstans, where one is on each side of the heads, are claimed to provide even smoother tape travel across the heads and result in less variance in the recorded/playback signal.
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that move the tape and play or record it. Transport parts include the head, capstan, pinch roller, tape pins, and tape guide. The tape transport as a whole is called the
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and other part of the tape transport, a small amount of drag is placed on the supply reel. Tape recorder capstans have a function similar to
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recorders/reproducers using continuous tape media such as magnetic digital tape, perforated paper tape, and analog magnetic tape.
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against a capstan shaft in order to create friction necessary to drive the tape along the magnetic heads (erase, write, read).
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directions as needed. In this case, only one pinch roller is pressed against its corresponding capstan at a time.
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more tracks running in each direction of the tape (e.g. the two different tracks present on most, if not all,
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The pinch roller is a rubberized, free-spinning wheel typically used to press
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Workbench Guide to Tape
Recorder Servicing. G. Howard Poteet, 1977
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use one capstan motor and one pinch roller located after the
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Tape transport with dual pinch rollers - Technics RS-1520
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used to move recording tape through the mechanism of a
188:One of many US Patents pertaining to Tension arm
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173:/reproducers to control the tension of the
16:Mechanism that guides tape through a device
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31:is the collection of parts of a
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169:is a device used in magnetic
216:Sound production technology
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211:Sound recording technology
82:The capstan is a rotating
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74:Threaded tape of an open
121:Capstan and pinch roller
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157:Left tension arm on
41:transport mechanism
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161:A-80 tape recorder
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96:nautical capstans
78:in the tape drive
60:compact cassettes
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76:Compact Cassette
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138:magnetic heads
134:tape recorders
132:Most magnetic
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200:Categories
182:References
92:tape heads
35:player or
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47:Tape head
142:Technics
37:recorder
104:flutter
84:spindle
66:Capstan
206:Wheels
159:Studer
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165:A
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27:A
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