| 摘要 |
<p>PURPOSE:To provide a reproduction muting circuit capable of shortening a return time to a normal operation state after muting is released and a magnetic reproduction device using it. CONSTITUTION:In the reproductive muting circuit in a circuit for amplifying a signal reproduced from a recording medium through magnetic heads 1A, 1B, short-circuiting circuits 12A, 12B for short-circuiting resistors 5A, 5B connected between DC voltage sources 15A, 15B selected by bias voltage values of input side of reproducing amplifiers 4A, 4B and the input terminals of the reproducing amplifiers 4A, 4B during a muting period are provided.</p> |
