Revox PR-99 MkIII
Recorder format: 2-channel, ¼ tape
Tape transport mechanism:
3 motor tape drive.
2 AC driven spooling motors.
1 AC driven capstan motor, electronically regulated
2 tape speeds: Electronic change-over 9.5/19 or 19/38 cm/s (3.75/7.5 or 7.5/15 ips) versions
Tolerance from nominal: ±0.2%
Variable speed range: -33 % + 50 % from nominal
Wow and flutter:
For diameter ≥10cm; 6cm;
9.5 cm/s < 0 1 %;
19 cm/s <0.08%; at 38cm/s <0.06%
Tape slip: max. 0.2%
Winding time: approx. 120sec. for 760 m (2500ft.) tape
Reel size: Up to 265 mm (10.5 inches) diameter min. hub diameter 6cm (2.36inches)
Tape transport control: Integrated control logic with tape motion sensor provides for any desired transition between different operating modes. Contactless electronic switching of all motors. Remote control of all functions and electric timer operation are possible Fader start facilities Tape dump mode
Tape counter: Accuracy ±0.5 %; Real-time indication in hours, min., sec. Zero locator, Address locator, Repeat mode
Equalization:
NAB 9.5cm/s (3.75ips): 90-3180μs; 19cm/s (7.5ips): 50-3180μs; 38cm/s (15ips): 50-3180μs
CCIR 9.5cm/s (3.75ips): 90-3180μs 19cm/s (7.5ips): 70μs 38cm/s (15ips): 35μs
Frequency response
at 9.5 cm/s (3.75 ips): 30Hz-16kHz +2/-3dB; 50Hz- 10kHz ±1.5dB
at 19 cm/s (7.5 ips): 30Hz-20kHz +2/-3dB; 50Hz-15kHz ±1.5dB
at 38cm/s (15 ips): 30Hz-22kHz +2/-3dB; 50Hz-18kHz ±1.5dB
Operating level: 514 nWb/m, corresp. to 6dB over 0VU
Level metering:
VU meter in accordance with ASA standard plus;
LED peak level indicators; (6dB above operating level, adjustable)
Distortion: 9.5cm/s (3.75ips): <2.5%; 19cm/s (7.5ips): <2.0%; 38 cm/s (15 ips): <1.0%
Signal to noise ratio: Measured via tape referred to 514nWb/m peak weighted:
CCIR 468/ASA-A IEC 179
CCIR versions: 19cm/s (7.5 ips): >52/64 dB; 38cm/s (15 ips): >54/66 dB
NAB versions: 9.5cm/s (3.75 ips): >63dB; 19cm/s (7.5 ips): >66dB; 38cm/s (15 ips): >66dB
Crosstalk (1 kHz stereo only): Stereo: >45dB; Mono: >60dB
Erase depth at 1 kHz: at 19 cm/sec (7.5 ips) better than 75 dB
Input per channel:
LINE IN: Balanced with transformer Input impedance ≥10 kOhm;
CAL (CCIR): +6 dBu for 514 nWb/m adjustable -4 +16dBu;
CAL (NAB): + 4dBu for operating level (0VU) adjustable -10 + 10dBu;
UNCAL: Sensitivity ext. variable up to 10dB above calibrated input
Max. line input level: + 22dBu
Outputs per channel:
LINE OUT: Balanced with transformer (Z out < 50 Ohm);
CAL (CCIR): +6dBu/6000hm at 514nWb/m adjustable -14 + 15dBu;
CAL (NAB): +4dBu/6000hm at operating level (0VU) adjustable -20 + 9dBu;
UNCAL: Output level variable up to 10 dB above calibrated output
Max. line output level:
+ 22 dBu with 600 Ohm balanced load; + 20 dBu; with 600 Ohm unbalanced load
Phones: max.5.6V/Ri 220 Ohm short circuit proof
Remote control connectors: For tape transport functions, variable tape speed, fader start
Voltage selector: 100V, 120V, 140V, 200V, 220V, 240V 50 - 60Hz, max. 100W
Primary power fuse: 100 - 140 V: 1A slow blow; 200 - 240 V: 500 mA slow blow
Mains connector: 3-poles with ground protection
Operating conditions:
Ambient temp, range: + 10 + 40°C (50°F to 104°F)
Relative humidity (DIN 40040): Class F
Working position: any between horizontal and vertical
Weight: 18.5 kg