Revox B77 1/4" half track open reel analogue studio mastering tape recorder. For sale in very good condition.

Studer (formerly known as Studer-Revox) introduced the B77 in 1979 to replace the renowned A77. Now obsolete.

The B77 is a theatre classic for recording, easy editing and playback.
Stereo or two channel mono operation, sound-on-sound,  large tape transport buttons, vertical or horizontal operation, comprehensive headphone monitoring, remote control option. 3 motor tape drive. Remote control of all transport functions and electric timer operation are possible.

Two speed (7.5 or 15 inches per second)
Frequency response:
@ 7.5 ips 30Hz - 20kHz ±3dB
               50Hz - 15kHz ±1.5dB
@ 15 ips  30Hz - 22kHz ±3dB
               50Hz - 18kHz ±1.5dB
Distortion: 0.2% @ 0VU, 7.5 ips
Signal to noise ratio: >67dB @ 7.5 ips
                               >65dB @ 15 ips
Crosstalk: >45dB @ 1kHz

Inputs per channel:
MIC (LO) unbalanced 0.15mV / 2.2k Ohms
(for 50 - 600 Ohms microphones)
MIC (HI) unbalanced 2.8mV / 110k Ohms
(for 50 - 20k Ohms microphones)
AUX unbalanced 40mV / 220k Ohms
Outputs per channel: 1.55V / 390 Ohms @ +6dB
Weight: 17.5kg
Power requirements: 110/120/220/240V AC

B77HS (7.5 & 15 ips version) datasheet
B77 Mk2 (7.5 & 15 ips version) datasheet
PR99 (7.5 & 15ips version) datasheet
PR99 Mk3 (7.5 & 15ips version) datasheet

Price to hire       Price to buy

We offer service and calibration for all versions of Revox B77.

We also have several Revox B77 and PR99 breaking for parts - most parts available: heads, reels, motors, knobs, pots, brakes, input cards, EQ/bias cards, meters, case hardware. These items are sold as seen. No warranty offered. Prices on application.

Replacement drive belts available (non Revox)

Revox legendary tape recorders and tape information

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