W
walters
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varispeed : A means of changing the speed at which a tape recorder runs in order to change the pitch or duration of a tape recording. Recently, this involves the use of a servo-controlled capstan, and the speed may be varied by changing the reference frequency of the servo.
varispeed oscillator : In tape recorders, an oscillator used to vary the frequency of the AC driving an AC capstan motor and, hence, the tape speed. Recorders whose capstans are driven by DC motors often have DC voltage controls for varispeed operation. These are often mistakenly called varispeed oscillators.
varispeed oscillator : In tape recorders, an oscillator used to vary the frequency of the AC driving an AC capstan motor and, hence, the tape speed. Recorders whose capstans are driven by DC motors often have DC voltage controls for varispeed operation. These are often mistakenly called varispeed oscillators.