Revox B77 MKII

2-track machine. 3-motor, 2-speed stereo reel-to-reel tape recorder (1978–85)

Track system: stereo System motor: 2 x reel, 1 x capstan Reel size: up to 10.5 inches Tape speeds: 3 3/4 and 7 1/2 ips Wow and flutter: 0.08% (7 1/2 ips) Frequency response: 30 Hz to 20 kHz (7 1/2 ips) Signal-to-noise ratio: 67 dB Total harmonic distortion: 0.5% Input: 40 mV (line), 0.15 mV (mic) Output: 1.55 V (line) Semiconductors: 11 x IC, 1 x optocoupler, 4 x triacs, 60 x transistors, 33 x diodes, 5 x LEDs, 2 x full-wave rectifiers Dimensions: 563 x 475.5 x 233 mm Weight: 17 kg