Akai GX-650 D specifications

Category : Tape machines

Brand : Akai

General

Connections

Tech nical data

Special equipment

• Manufacturer: Akai
• Model: GX-650 D
• Years of construction: 1976 - 1979
• Manufactured in: Japan
• Color: Silver, imitation walnut housing
• Remote control: optional (cable remote control RC-17, from the 2nd half of 1978: RC-18)
• Power consumption: 120 W
• Dimensions: 442 x 524 x 258 mm (WxHxD)
• Weight: 26.2 kg
• Factory price approx.: 1,800 DM (1976) - 2,398 DM (1979)

• Number of outputs: 2
  • Line (0.775 V)
  • Headphones (30 mV, 8 Ohm s)
• Number of inputs: 2
  • Microphone (0.3mV / 5 kOhm )
  • Line (80 mV / 150 kOhm )

Line (0.775V)
• Headphones (30 mV, 8 Ohm )

• Max. Coil diameter: 26.5 cm
• Drive: 3 motors
• Heads: 3
• Tracks: 4
• Belt speeds: 9.5, 19 and 38 cm/s
• Slip:
• Synchronisation fluctuations:
  • at 9.5 cm/s: < 0.07%
  • at 19 cm/s : < 0.05%
  • at 38 cm/s: < 0.03%
• Pitch variations: ± 0.5%
• Total frequency response:
  • at 9.5 cm/s: 30 - 20,000 Hz
  • at 19 cm/s : 30 - 26,000 Hz
  • at 38 cm/s : 30 - 30,000 Hz
• Signal-to-noise ratio: > 58 dB
• External voltage ratio:
• Total harmonic distortion:
  • at 19 cm/s: < 0.9% (333 Hz)
  • Equalization:
  • Noise voltage distance:
  • Crosstalk attenuation:
    • opposite-sense double track recording, mono: > 61 dB (1 kHz)
    • opposite-sense stereo operation: > 43 dB (1 kHz)
  Cancellation attenuation:
  • at 19 cm/sec: > 72 dB
  • Pre-magnetization and quenching frequency: 150 kHz
  • at 9.5 cm/s: < 0.07%
  • at 19 cm/s: < 0.05%
  • at 38 cm/s: < 0.03%
  • at 9.5 cm/s: 30 - 20,000 Hz
  • at 19 cm/s : 30 - 26,000 Hz
  • at 38 cm/s : 30 - 30,000 Hz
  • at 19 cm/s: < 0.9% ( 333 Hz)
  • contrastive double track recording, mono: > 61 dB (1 kHz)
  • contrastive stereo operation: > 43 dB (1 kHz)
  • at 19 cm/sec: > 72 dB
  • - double capstan
  • - 38 cm/s
  • - low-wear GX recording and playback heads
  • - double bracing NAB adapters (RH-12)
  • Other models of the same series:
  • Akai GX-210 D
  • Akai GX-230 D
  • Akai GX-260 D
  • Akai GX-630 DB
  • Akai GX-650 D
  • Akai X-201 D

  

  

  

  

  

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