Revox A77 2 tracks

Maintenance repair

Germany 1971

4 tracks
Speed ​​9.5 - 19 cm / s
Speed ​​accuracy ± 0.2%
Wow e flutter ±0,08% a 19 cm/s
Wow e flutter ±0,1% a 9,5 cm/s
Maximum reel diameter 10.5 ″
Frequency response 30 Hz - 20 kHz +2 -3 dB at 19 cm / s
Frequency response 50Hz - 15kHz ± 1.5dB at 19cm / s
Frequency response 30 Hz - 16 kHz +2 -3 dB at 9.5 cm / s
Frequency response 50Hz - 10kHz ± 1.5dB at 9.5cm / s
Distortion 2% at 19 cm / s
Distortion 3% at 9.5 cm / s
Signal to noise ratio 61 dB at 19 cm / s
Signal to noise ratio 58 dB at 9.5 cm / s
60 dB mono speaker, 45 dB stereo
Oscillator frequency 120 kHz
Low mic input sensitivity 0.15 mV 50 - 600 Ohms
High mic input sensitivity 2.5 mV 100 kOhms
Radio input sensitivity 2.5 mV 33 kOhms
Aux input sensitivity 35 mV 1 MOhms
Max line output 2.5 V 600 Ohms
Uscita radio max 1,2 V 2,5 kOhms
Power 2 x 8 W
Speaker impedance 4 - 16 Ohms