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Track System | 4-track, 2-channel stereo |
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Tape Speed | 4.75 cm/s |
Heads | 1 x record/playback, 1 x erase |
Motor | DC servo |
Tape Type | Normal, CrO2 |
Wow and Flutter | 0.07% (WRMS) |
Frequency Response | 20Hz to 20kHz (Metal tape) |
Explains the common circuitry for recording and playback, including tape selectors and equalizer.
Describes the circuit that compresses excessive signals above +4VU to below +4VU.
Explains the circuit that detects signal levels exceeding +4VU and activates an LED.
Details the Dolby B-type noise reduction system and its operation in recording and playback.
Explains how the auto stop circuit releases tape transport levers when the tape ends.
Describes the DC motor power supply and amplifier power supply circuit with voltage stabilizer.
Details the procedure to adjust pinch roller pressure using a tension gauge.
Explains how to check and adjust take-up torque in playback, fast forward, and rewind modes.
Details how to adjust head azimuth for optimal signal on left/right channels.
Explains the procedure to adjust playback equalizer for normal and chrome tapes.
Details the procedure for adjusting recording current after stopping bias current.