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: <1.5% @ 0VU, 7.5 ips
Signal to noise ratio: >66dB @ 7.5 ips
>66dB @ 15 ips
Crosstalk: >45dB @ 1kHz
Inputs per channel: 2 x Balanced XLR +4dB
Input impedance: >5k Ohms
Maximum line input: +22dBu (>40Hz)
Outputs per channel: 2 x Balanced XLR +4dB
Dimensions: 483 (w) x 399 (h) x 201 (d) mm
Power requirements: 110/120/220/240V AC
PR99 Mk3 1/4"
half track open reel analogue studio mastering tape recorder.
/ broadcast classic for recording, easy editing and playback.
Stereo or two channel mono operation, large tape transport buttons,
vertical or horizontal operation, rack mountable, remote control
option. 3 motor tape drive. Remote control of all transport functions and
electric timer operation are possible.
Studer-Revox introduced the
PR99 Mk1, PR99 Mk2, PR99
Mk3, PR99BV as a professional, edit-friendly, de-knobbed version of the renowned Revox B77 Mk2. Now obsolete.
B77LS (1 7/8
& 3 3/4 ips version)
(3.75 & 7.5 ips version) datasheet
B77 Mk2 (7.5 & 15ips version) datasheet
B77HS (7.5 & 15ips version) datasheet
PR99 Mk1 (7.5 & 15ips version) datasheet
offer service and calibration for all versions of Revox B77HS
legendary tape recorders and tape information
here for tape and other standard media