Revox B77 MKII
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Type: | Reel to Reel Tape Recorder |
Track system: | Stereo system |
Tape transport mechanism: | 3-motor tape drive, 2 AC driven spooling motors, 1 AC driven capstan motor, electronically regulated |
Tape speeds: | 3.75 and 7.5 ips, electronic change-over |
Tolerance from nominal: | ± 0.2% |
Wow and flutter: | At 7.5 ips less than 0.08% |
Reel size: | Up to 10.5 inch diameter |
Winding time: | Approx. 135 sec for 3600 ft of tape |
Frequency response (measured via tape, at -20 VU): | At 3.75ips - 30Hz ... 16kHz +2 / -3dB At 7.5ips - 30Hz ... 20kHz +2 / -3dB |
Distortion At 0 VU (257 nWb/m): | At 7.5ips - <0.6% |
Signal to noise ratio: | Half track at 7.5 ips - better than 67 dB Quarter track at 7.5 ips - better than 63 dB |
Crosstalk (1000 Hz): | Stereophonic - Better than 45 dB Monophonic - Better than 60 dB |
Semi-conductor complement: | 11 IC, 1 opto-coupler, 4 Triac, 60 transistors, 33 diodes, 5 LED, 2 full wave rectifiers, 3 relays |
Electric current supply (voltage sector): | AC 100 / 120 / 140 / 200 / 220 / 240V, 50 ... 60Hz, max 80W |
Main fuse: | 100 ... 140 V - 1 A slow-blowing 200 ... 240 V - 0,5 A slow-blowing |
Dimensions (W x H x D): | 17.8 x 16.3 x 8.14 inches (452 x 414 x 207mm) |
Weight: | Approx. 37lbs. 7ozs (17kg) |
Year: | 1981 |
