Two speed (7.5 or 15 inches per second)
@ 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
Dimensions: 452 (w) x 414 (h) x 207 (d) mm
Power requirements: 110/120/220/240V AC
quarter track (1 7/8 & 3 3/4 ips
B77LS half track (1 7/8 & 3 3/4 ips
B77HS half track
(7.5 & 15 ips version)
B77 quarter track (3.75 & 7.5 ips version)
B77 half track (3.75
& 7.5 ips version)
B77 Mk2 (7.5 & 15 ips
PR99 Mk1 (7.5 & 15ips version)
Mk3 (7.5 & 15ips version)
offer service and calibration for all versions of Revox B77HS
Optional custom remote varispeed
Revox legendary tape recorders and tape information
here for tape and other standard media
Revox B77HS 1/4"
half track open reel analogue studio mastering tape recorder.
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.
Studer (formerly known as
Studer-Revox) introduced the B77 in 1979 to replace the renowned
A77,and later evolved the B77 Mk2, with vari-speed, and
then the PR99 Mk1, PR99 Mk2,
PR99 Mk3, PR99BV as a professional, edit-friendly,
de-knobbed version. Now obsolete.
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.