Revox B-750 MkII
Revox B-750
Power Output
60 watts into 4 ohms
40 watts into 8 ohms
Continuous average sine wave power at rated distortion
Total Harmonic Distortion: less than 0.2 % at any level up to rated output
Frequency response: 20 Hz-20kHz±0.5dB
Damping factor: better than 75 at 8 ohms
Inputs
Sensitivity for 60 watts (4 ohms) / input impedance
Tuner, Aux, Tape 1 +2: 200mV/100kohms
Phono 1: 1.5-7mV/25, 50, 100kohms (selectable)
Phono 2: 1.5-7 mV; nominal 5 mV/50 kohms
PWR AMPIN: 1 V/10 kohms
Overload levels:
Tuner, Aux, Tape 1+2: 9V
Phono 1+2: 400 mV
Outputs
Din connector Tape2/Out: 6.5 mV/RL 10 kohms
Speakers A,B: 15.5 V/R min. 4ohms;
Tape 1+2 (phono sockets): 200 mV/RL min. 50 kohms
Tape 2 (Jack): 200 mV/RL min. 50 kohms
PRE AMP Out: 1 V/RL min. 10 kohms
Phones x2: 15.5V/Ri 100 ohms
Signal to noise ratio: (with reference to 60 watts / 4 ohms)
Tuner, Aux, Tape 1+2: better than 90 dB, unweighted input termination 10 kohms
Phono 1+2: better than 70 dB, unweighted input termination 2.2 kohms
Channel separation: (at 1000 Hz) better than 60 dB
Phono equalization: (as per I EC 98 MOD 4 1976) 20 Hz - 20 kHz ± 0.5 dB
Tone controls
Bass: ±8dB in 2 dB steps at 120 Hz
Treble: ±8dB in 2 dB steps at 8 kHz
Presence: ±8dB in 2 dB steps at 3 kHz
Filter
Low: 50 Hz, -3dB (12dB/octave)
High: 8 kHz, -3d B (12 dB/octave)
Loudness: Volume-30 dB 100 Hz + 6dB 10 kHz + 4dB
Semiconductor complement:
4 IC (voltage regulation), 99 transistors, 4 bridge rectifiers, 48 diodes
Current supply: 220/240 V 50-60 Hz
Power consumption: 50-350 watts
Weight: 13 kg
Dimensions: 452 x 151 x 348 mm