Akai 280 D-SS

Data

General

  • Manufacturer: Akai
  • Model: 280 D-SS
  • Type: Auto-Reverse Quadrophonic Coil Unit
  • Years of manufacture: 1973 - 1975
  • Made in: Japan
  • Color: front aluminum, sides walnut
  • Remote control: yes
  • Power consumption: 130 W
  • Dimensions: 435 x 505 x 250 mm (WxHxD)
  • Weight: 21,5 kg
  • Original price approx.: 2'499 DM


Connections

  • Number of inputs:
    • 4x Microphone: (6.3mm jack) 0.5 mV / 10 kOhm
    • 4x Line In: 100 mV / 150 kOhm
    • 4x Line In DIN switchable:
      • Low: 10 mV
      • High: 60 mV, 400 mV
  • Number of outputs:
    • 4x Line Out: 1.23 V / 100 Ohm
    • Line Out DIN: 0.775 V / 100 Ohm
    • 2x headphones 30 - 40 mV / 8 Ohm


Technical Data

  • Max. Coil diameter: 18 cm
  • Drive: 3 motors, 1x servo control with electronic speed switching, 2x external rotor motors for winding

Heads: 4 sound heads, 2 separate recording / playback heads, 2x ferrite for erasing

  • Tracks: 4
  • Tape speeds: 9.5 and 19 cm/s
  • Slip:
  • Synchronous oscillations:
    • at 9.5 cm/s: < 0.15 %.
    • at 19 cm/s: < 0.10 %
  • Total frequency response:
    • at 9.5 cm/s: 30 - 20'000 Hz, ± 3 dB
    • at 19 cm/s : 30 - 26'000 Hz, ± 3 dB
  • Signal-to-noise ratio: > 50 dB
  • Distortion factor:
    • at 19 cm/s: < 1.5 %
  • Equalization: NAB
  • Crosstalk attenuation:
  • Premagnetization and erasure frequency: 110 kHz
  • Rewind time: 75 seconds for 350 m


Special Features

  • Quadro and stereo operation possible
  • Auto-Reverse continuous operation
  • Automatic rewind in quadro mode
  • Rear band control
  • Multiplay
  • Four mixable inputs


Comments


Pictures

  • Excerpt from brochure: Akai 280 D-SS

Akai 280 D-SS-Prospekt-1.jpg


Reports

Links