Akai GX-400 E-SS

Data

General

• Manufacturer: Akai
• Model: GX-400 D-SS
• Type: Auto-Reverse Quadrophonic Coil Unit
• Years of manufacture: 1975 - 1976
• Made in: Japan
• Color: Silver/Black, Cabinet Wood Walnut
• Remote control:
• Power Consumption:
• Dimensions: 457 x 590 x 240 mm (WxHxD).
• Weight: 31,2 kg
• Original price: 1'495 US-$, corresponds to about 5'000 DM

Connections

• Number of inputs:
  • Microphone: 4x 0.5 mV / 4.7 kOhm
  • Line In: 100 mV / 50 kOhm

Line In DIN: 10 mV

• Number of outputs:
  • Line Out: 1.23 V
  • Line Out DIN: 0.6 V
  • Headphones:

Technical Data

• Max. Coil diameter: 26.5 cm
• Drive: 3 motors (1x DC-Servo Capstan, 2x reels)
• Heads: 4 sound heads (1x GX head recording, 1x GX head playback, 2x erase)
• Tracks: 4
• Tape speeds: 9.5, 19 cm/s, 38 cm/s
• Synchronisation fluctuations:
  • at 9.5 cm/s: ± 0,5%
  • at 19 cm/s: ± 0,5%
  • at 38 cm/s: ± 0,5%
• Pitch fluctuations:
  • at 9.5 cm/s: < 0.08 %
  • at 19 cm/s: < 0.05 %
  • at 38 cm/s: < 0.03 %
• Overall frequency response: Low Noise Band
  • at 9.5 cm/s: 30 - 20'000 Hz, ± 3 %
  • at 19 cm/s: 20 - 24'000 Hz, ± 3 %
  • at 38 cm/s: 20 - 27'000 Hz, ± 3 %
• Signal-to-noise ratio: > 55 dB
• External voltage spacing:
• Distortion factor: < 1 % (100 Hz)
• Equalization: NAB
• Crosstalk attenuation: > 40 dB (1 kHz, stereo)
• Cancellation attenuation: > 70 dB
• Premagnetization and erasure frequency: 100 kHz
• Rewind speed: 120 seconds for 1100 m band

Special Features

• 4-channel auto reverse

Remarks

• Other models in the same series:
• Akai GX-270 D-SS
• Akai GX-280 D-SS
• Akai GX-400 D-SS
• Akai GX-630 D-SS
• Akai 280 D-SS
• Akai 1730 D-SS

Pictures

• Excerpt from brochure: Akai GX-400 D-SS