Akai GX-400 E-Pro

Data

General

• Manufacturer: Akai
• Model: GX-400 D-Pro
• Type: 2-/4-track reel tape
• Years of manufacture: 1973 - 1976
• Made in: Japan
• Color: Silver/Black, Cabinet Wood Walnut
• Remote control: RC-17, cable remote control optional
• Power consumption: 160 W
• Dimensions: 457 x 590 x 258 mm (WxHxD)
• Weight: 30,5 kg
• Original price: 3'800 DM

Connections

• Number of inputs:
  • Microphone: 0.5 mV / 4.7 kOhm

Line In: 50 mV / 50 kOhm

• • Line In DIN:
    • Low: 10 mV
    • High: 250 mV
• Number of outputs:
  • Line Out:
  • Headphones:

Specifications

• Max. Coil diameter: 26.5 cm
  • Recording / playback system:
    • Recording: 2-track, 2-channel
    • Playback: 2-track, 2-channel, 4-track, 2-channel
• Drive: 3 motors (1x DC-Servo Capstan, 2x reels)
• Heads: 4 audio heads (2x GX head combo record / erase, 2x GX head playback)
• 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: < 0.15 %
  • at 19 cm/s: < 0.09 %
  • at 38 cm/s: < 0.035 %
• Overall frequency response: S.R.T. band
  • at 9,5 cm/s: 30 - 18'000 Hz, ± 3 %
  • at 19 cm/s: 20 - 24'000 Hz, ± 3 %
  • at 38 cm/s: 20 - 27'000 Hz, ± 3 %
• Signal-to-noise ratio: > 58 dB
  • 2-track: > 53 dB
  • 4-track: > 48 dB
• External signal-to-noise ratio:
• Distortion: < 1 % (100 Hz)
• Equalization: NAB
• Crosstalk attenuation: > 45 dB (1 kHz, stereo)
• Cancellation attenuation: > 70 dB
• Premagnetization and erasure frequency: 160 kHz
• Rewind speed: 120 seconds for 1100 m band

Special Features

• 2-/4-track reel tape

Remarks

• Other models in the same series:
  • 1721 W
  • 1730 D-SS
  • 1800 SS
  • 4000 DS
  • 4400 D
  • GX-221
  • GX-221 D
  • GX-260 D
  • GX-280 D-SS
  • GX-285 D
  • GX-400 D
  • X-201 D

Pictures

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

• Picture: Akai cable remote control RC-17, optional