ReVox A77 Tape Recorder Mk II 4 track

Another fully updated and calibrated ReVox A77.
This is a Mk II 4 track machine.
In superb condition for it's age.


This A77 has been fully refurbished and serviced
Heads and guides thoroughly cleaned
Tape guide roller bearings replaced
Motor capacitors replaced
Electrolytic capactors on all plug in boards replaced
Main switchboard fully cleaned and all capacitors and preset potentiometer replaced
Surge protection capacitors (RIFA) replaced
Record relay updated
Brakes adjusted
Tape counter and tape counter belt replaced

Fully calibrated to RTM SM911
Playback head alignment
Record head alignment
Playback and record levels
Frequency response check and adjustment
VU meter calibration

Sold with
New IEC power cable

Technical data:
3 heads: record, playback, erase
3 motors 2 x spool and 1 x capstan
Reel sizes up to 10.5 inches
Speeds 33/4 and 7 1/2 ips
Wow and flutter less than 0.08%
Frequency response 30 Hz to 20 kHz
Signal to noise ratio 62 dB
Total harmonic distortion 0.6%
Output: 1.55 V (line)
Input 25 mV (line) 0.15 mV (microphone)
54 x transistors, 32 x diodes
Dimensions 41 cm (height), 45 cm (width), 20 cm (depth)
Weight 25 kg