Akai GX-77

Data

General

• Manufacturer: Akai
• Model: GX-77
• Years of manufacture: 1982 - 1984
• Made in: Japan
• Color: silver or gray anthracite or black anodized
• Remote control: yes (cable)
• Power consumption:
• Dimensions: 440 x 244 x 227 mm (W x H x D).
• Weight: approx. 17 kg
• New price approx.: 1.600 DM (1982), 1984 at Radio Diehl Frankfurt/M 1.498,-- DM

Connections

• Number of outputs: 3
  • DIN (0,2 V / > 20 kOhm)

Line (0.775 V / > 20 kOhm)

• • Headphones (8 Ohm)
• Number of inputs: 3
  • Microphone (600 Ohm)
  • Line (70 mV / 47 kOhm)
  • DIN (2 mV / 10 kOhm)

Technical Data

• Max.coil diameter: 18 cm
• Drive: 3 motors
• Heads: 6 clay heads
• Tracks: 4
• Tape speeds: 9.5 and 19 cm/s
• Synchronous speed fluctuations:
  • at 9.5 cm/s: ±0.10% (DIN 45500), ±0.04% (WRMS)
  • at 19 cm/s: ±0.07% (DIN 45500), ±0.03% (WRMS)
• Pitch fluctuations:
• Overall frequency response:
  • at 9.5 cm/s: 25 - 25,000 Hz (±3 dB, -20 VU), 25 - 15,000 Hz (±3 dB, 0 VU).
  • at 19 cm/s : 25 - 33,000 Hz (±3 dB, -20 VU), 25 - 26,000 Hz (±3 dB, 0 VU)
• Signal-to-noise ratio: > 63 dB (19 cm/s).
• Distortion factor:
  • at 19 cm/s: < 0.5%.
• Equalization: NAB
• Crosstalk attenuation:
• Cancellation attenuation:
• Premagnetization and cancellation frequency: 100 kHz

Special features

• digital counter (also suitable for continuous operation by means of a power supply unit available as an accessory at the time; display does not go to 0000 after the GX-77 is switched off).
• reverse operation

Remarks

• Other models in the same series:
  • Akai GX-4000 D
  • Akai GX-77
  • Akai GX-625 D
  • Akai GX-636 D
  • Akai GX-636 DB
  • Akai GX-646
  • Akai GX-747
  • Akai GX-747-DBX

Pictures

• Excerpt from brochure: Akai GX-77