Stellavox SU 8

The Stellavox SU8 is a professional portable reel-to-reel tape recorder from the Stellavox Series 8 line, produced in the late 1970s to 1980s. It is a refined evolution of the SP8 model, combining Swiss precision engineering with advanced features suitable for broadcast, film, and field recording.

• Type: Portable professional reel-to-reel tape recorder

• Tape Speeds: 3¾, 7½, 15 ips standard; intermediate speeds selectable via external control

• Frequency Response:
  Mono: 20 Hz – 16 kHz ±2 dB
  Stereo: 30 Hz – 18 kHz ±2 dB

• Signal-to-Noise Ratio:
  Mono: 69 dB (ASA A filter)
  Stereo: 67 dB (ASA A filter)

• Wow and Flutter: ±0.07% DIN

• Speed Stability: ±0.1% typical

• Maximum Reel Diameter: 13 cm (5 inches) standard; up to 30 cm (12 inches) with accessory (ABR)

• Weight: 3.6 kg (without batteries and tape), approx. 4.6 kg with batteries and carrying case

• Dimensions: 8.3 x 21.5 x 27 cm (W x H x D)

• Heads: Modular interchangeable head blocks, supporting mono, stereo, and pilot tone configurations

• Inputs:
  Two balanced microphone inputs (200 Ω) with switchable powering (dynamic, 12 V or 48 V phantom)
  Line inputs with adjustable gain

• Outputs: Balanced line outputs, direct unbalanced outputs, pilot tone output

• Motor: Servo-regulated DC motor with Samarium-cobalt magnets ensuring precise tape speed control

• Power Supply: Internal battery pack (15 AA cells or accumulators) or external power supply

• Additional Features:
  Modular electronics for easy maintenance and upgrades
  Multiple microphone powering options including phantom power
  Bass cut switch and peak limiters
  High-quality mechanical tape transport with low wow and flutter
  Optional accessories for larger reel support and external encoders