Akai GX-280 D-SS specifications

Category : Tape machines

Brand : Akai

General

Connections

Tech nical data

Special equipment

• Manufacturer: Akai
• Model: GX-280 D-SS
• Type: Auto-Reverse Quad rophony Coil Unit
• Years of construction: 1973 - 1975
• Manufactured in: Japan
• Color: Front Alu, side parts walnut
• Remote control: yes
• Power consumption: 130 W
• Dimensions: 435 x 505 x 250 mm ( WxHxD)
• Weight: 21.5kg
• Factory price approx.: 2'899 DM

• Number of inputs:
  • 4x Microphone: (6.3mm jack) 0.5mV / 10 kOhm
  • 4x Line In: 100 mV / 150 kOhm
  • 4x Line switchable in DIN :
    • Low: 10 mV
    • High: 60 mV, 400 mV
• Number of Outputs:
  • 4x Line Out: 1.23V / 100 ohm
  • Line Out DIN: 0.775V / 100 ohm
  • 2x Headphones 30 - 40 mV / 8 Ohm

• 4x Microphone: (6.3mm jack) 0.5mV / 10 kOhm
• 4x Line In: 100 mV / 150 kOhm
• 4x Line Switchable in DIN:
  • Low: 10 mV
  • High: 60 mV, 400 mV

• Low: 10 mV
• High: 60 mV, 400 mV

• 4x Line Out: 1.23V / 100 ohm
• Line Out DIN: 0.775V / 100 ohm
• 2x Headphones 30 - 40 mV / 8 ohm

• Max. Coil diameter: 18 cm
• Drive: 3 motors, 1x servo control with electronic speed switching, 2x external rotor motors for winding
• Heads: 4 sound heads, 2 separate recording / playback GX heads, 2x ferrite for erasing
• Tracks: 4
• Tape speeds: 9.5 and 19 cm/s
• Slip:
• Synchronisation fluctuations:
  • at 9.5 cm/s: < 0.15 %
  • at 19 cm/s: < 0.10 %
• Total frequency response:
  • at 9.5 cm/s: 30 - 20'000 Hz, ± 3 dB
  • at 19cm/s : 30 - 26'000 Hz, ± 3 dB
• Signal-to-noise ratio: > 50 dB
• Total harmonic distortion:
  • at 19 cm/s: < 1.5 %
• Equalization: NAB
• Crosstalk attenuation:
• Pre-magnetization and cancellation frequency : 110 kHz
• Rewinding time: 75 seconds for 350 m

• at 9.5 cm/s: < 0.15 %
• at 19 cm/s: < 0.10 %

• at 9.5 cm/s: 30 - 20' 000 Hz, ± 3 dB
• at 19 cm/s : 30 - 26'000 Hz, ± 3 dB

• at 19 cm/s: < 1.5 %

• AKAI GX glass crystal ferrite heads
• Quad ro and stereo operation possible
• Auto-reverse continuous operation
• Automatic rewinding in quadro mode
• Backband control
• Multiplay
• Four mixable inputs

• Other models of 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

• Excerpt from brochure: Akai GX-280 D-SS (figure identical model without GX heads)

• Excerpt from advertisement: Akai GX-280 D-SS with Akai AS-980

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