Akai GX-630 E-SS

Data

General

• Manufacturer: Akai
• Model: GX-630 D-SS
• Type: Auto-Reverse Quadrophonic Coil Unit
• Years of manufacture: 1976 - 1979
• Made in: Japan
• Color: front aluminum, sides walnut
• Remote control: yes
• Power consumption: 100 W
• Dimensions: 440 x 527 x 240 mm (WxHxD)
• Weight: 20,7 kg
• Original price approx.: 2'400 DM

Connections

• Number of inputs:
  • 4x Microphone: (6.3mm jack) 0.25 mV / 10 kOhm
  • 4x Line In: 70 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 / 20 kOhm
  • 2x headphones 30 mV / 8 Ohm

Technical Data

• Track system: 4-track / 4/2-channel stereo
• Max. Coil diameter: 26 cm
• Drive: 3 motors, 1x servo control with electronic speed switching, 2x external rotor motors for winding
• Heads: 4 audio heads, 2 separate record / playback GX heads, 2x GX for erasing
• Tracks: 4
• Tape speeds: 9.5 and 19 cm/s (±0.7%)
• Speed fine control: ± 5
• Synchronous speed fluctuations:
  • at 9.5 cm/s: < 0.09 %.
  • at 19 cm/s: < 0.06 %
• Total frequency response:
  • at 9.5 cm/s: 30 - 15'000 Hz, ± 3 dB
  • at 19 cm/s : 30 - 21'000 Hz, ± 3 dB
• Signal-to-noise ratio: > 54 dB
• Distortion factor:
  • at 19 cm/s: < 0,5 %
• Entzerrung: NAB
• Löschdämpfung: >70 dB
• Premagnetization and erasure frequency: 100 kHz
• Rewind time: 120 seconds for 720 m band

Special Features

• AKAI GX glass crystal ferrite heads
• Quadro and stereo operation possible
• Auto reverse continuous operation
• Auto-reverse in quadro mode
• Rear band control
• Multiplay
• Speed fine control
• Four mixable inputs

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-630 D-SS

Links

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