Akai GX-630 DB specifications

Category : Tape machines

Brand : Akai

General

Connections

Tech nical data

Special equipment

• Manufacturer: Akai
• Model: GX-630 DB
• Years of construction: 1976 - 1978
• Manufactured in: Japan
• Color: Silver / walnut housing
• Remote control: only as an accessory (cable remote control RC-17 or RC-18)
• Power consumption: approx. 100 W
• Dimensions: 440 x 465 x 240 mm ( WxHxD)
• Weight: 18.8kg
• Factory price approx.: 1.598,- DM (1976)

• Number of outputs: 3
  • DIN (0.5V)
  • Line (0.775V)
  • Headphones (30 mV, 8 ohms)
  < /li>
• Number of inputs: 2
  • Microphone (3 mV / 27 kOhm )
  • Radio (70 mV / 150 kOhm )
  • Line (70 mV / 150 kOhm )
  • Reserve (70 mV / 150 kOhm )

• DIN (0.5V)
• Line (0.775V)
• Headphones (30 mV, 8 ohm)

• Microphone (3 mV / 27 kOhm )
• Radio (70 mV / 150 kOhm )
• Line (70 mV / 150 kOhm )
• Reserve (70 mV / 150 kOhm )

• Track position: 4-track stereo/Mono
• max. Coil diameter: 26.5cm
• Drive:
  • 1 AC servo motor (tape drive)
  • 2 eddy current motors (coil drive)
• Heads:
  • 1 GX recording head
  • 1 GX playback head
  • 1 extinguishing head
  < /ul>
  • Band speeds: 9.5 and 19 cm/s
  • Synchronisation fluctuations:
    • at 9.5 cm/s: 0.05%
    • at 19 cm/s: 0.03%
  • Total frequency response:
    • at 9.5 cm/s: 20 - 20,000 Hz
    • at 19 cm/s : 16 - 25,000 Hz
  • Total harmonic distortion: at 19 cm/s: < 0.7 (333 Hz)
  • Noise voltage range:
    • > 55 dB without Dolby
    • > 64 dB with Dolby
  • Crosstalk attenuation:
    • opposite-sense double track recording, mono: > 55 dB (1 kHz)
    • opposite-sense stereo operation: > 45 dB (1 kHz)
  • Cancellation attenuation: at 19 cm/sec: > 70 dB
  • Pre-magnetization and cancellation frequency: 100 kHz ± 5%
  • Rewinding time: 120 sec for 1100 m
  • 1 AC servo motor (tape drive)
  • 2 eddy current motors (coil drive)
  • 1 GX recording head
  • 1 GX playback head
  • 1 Extinguishing head
  • at 9.5 cm/s: 0.05%
  • at 19 cm/s: 0.03%
  • at 9.5 cm/s: 20 - 20,000 Hz
  • at 19 cm/s : 16 - 25,000 Hz
  < ul>
• > 55 dB without Dolby
• > 64 dB with Dolby

• contrastive dual track recording, mono: > 55 dB (1 kHz)
• contrastive stereo operation: > 45 dB (1 kHz)

• Dolby-B system, GX heads

• Other models of the same series:
• GX-210 D
• GX-230 D
• GX-260 D
• GX-265 D
• GX-400 D
• GX-630 DB
• GX-630 D-SS
• GX-650 D
• X-201 D
• 4000-DS MK II

• Excerpt from brochure: Akai GX-630 DB

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