REVOX B-77 Reel to Reel 4 Track 10" Tape Vintage 1978 Original WORK Good Look Working PERFECT on 100/120/220/240 volts Good Look Revox B77 3 Motor 2 Speed Stereo Reel to Reel Tape Recorder (1978-85) specifications Track system: stereo system Engine: 2 x reels, 1 x capstan Reel size: up to 10.5 inch reel Tape speeds: 3 3⁄4 7 1⁄2 ips Wow and flutter: 0.08% (7 1⁄2 ips) Frequency response: 30Hz to 20kHz (7 1⁄2 ips) Signal to Noise Ratio: 67dB Total harmonic distortion: 0.5% Input: 40mV (line), 0.15mV (mic) Output: 1.55V (line) Semiconductors: 11 x IC, 1 x opto-coupler, 4 x triacs, 60 x transistors, 33 x diodes, 5 x LEDs, 2 x full wave rectifiers Dimensions: 563 x 475.5 x 233mm Weight: 17kg Q.
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