• Model: PR99 MK III NS / HS
• Type: Semi-professional reel-to-reel tape recorder
• Years of manufacture: 1989-1998
• Made in: Switzerland
• Color: silver, gray
• Remote control: no
• Power consumption:
• Dimensions: 483 mm × 399 mm × 234 mm (W × H × D).
• Weight: 18.5 kg
• Original price approx.: 4900 SF (1989) with butterfly heads + 1500 SF

Technical Data

• 3-motor drive: 2 AC-winding motors, 1 AC-capstan motor, servo-controlled
• 2-channel stereo or mono full track
• Tape speeds: Pole pair switching
  • Less than 9.5 cm/s and 19 cm/s
• Tolerance of target speed: ±0.2
  • more often 19 cm/s and 38 cm/s* * tolerance of target speed: ±0.2
• Tolerance of the set speed: ±0.2 %
• Pitch variation (DIN 45507/according to IEEE standard 193-1971):
  • at 9.5 cm/s <0.1 %.

at 19 cm/s <0.08 % * at 38 cm/s <0.08

• • at 38 cm/s <0.06 %
• Overall frequency response:
  • at 38 cm/s : 30-22,000 Hz +2/-3 dB and 50-18,000 Hz ±1.5 dB respectively.

at 19 cm/s : 30-20,000 Hz +2/-3 dB or 50-15,000 Hz ±1.5 dB

• • at 9.5 cm/s : 30-16,000 Hz +2/-3 dB or 50-10,000 Hz ±1.5 dB
• External voltage spacing:
  • at 38 cm/s >65 dB
  • at 19 cm/s >66 dB
  • at 9.5 cm/s >63 dB

Slip: max. 0.2 % * Coil size: up to max.

• Coil size: up to max. 26.5 cm (10.5") diameter (min. core diameter 6 cm)
• Tape tension switchable for small core diameters
• Rewind time: approx. 120 s for 760 m
• Drive control: Integrated logic for any function transitions with tape run sensor, motors contactless, electrically switched. All functions remote controllable. Timer operation with remote control (and timer) possible.