Akai GX-747

Data

General

• Manufacturer: Akai
• Model: GX-747
• Type: Tape machine
• Years of manufacture: 1981 - 1984
• Made in: Japan
• Color: Silver, Black
• Remote control: yes, RC-90 wired
• Power consumption: 80 W
• Dimensions: 440 x 483 x 256 mm (WxHxD)
• Weight: 21 kg
• Original price approx.: 2'900 DM

Connections

• Number of outputs:
  • Line 0.775 V at 0 VU

DIN 0.3 V

• • Headphone 6,3 mm jack
• Number of inputs:
  • Microphone 0.25 mV (5.0 kohm) 2x 6.3 jack
  • Line 70 mV
  • DIN 2.0 mV

Technical Data

• Max. coil diameter: 26,8 cm
• Drive: 3 motors

AC Servo Motor for Capstan-drive 1x AC Eddy current Motor for Reel 2x

• Heads: 6x

2x GX heads recording

• • 2x GX heads playback
  • 2x erase heads
• Tracks: Quarter track, 2-channel, stereo
• Tape speeds:
  • 19.0 cm/ s ± 0.8 %
  • 9,5 cm/ s ± 1,0 %
• Synchronisation fluctuations:
  • <0.03 % WRMS, 0.07 % DIN 45500 at 19.0 cm/ s
  • <0.04 % WRMS, 0.09 % DIN 45500 at 9.5 cm/ s
• Frequency response:
  • 25 - 33,000 Hz ± 3 dB at 19.0 cm/ s

25 - 26,000 Hz ± 3 dB (0 VU)

• • 25 - 25,000 Hz ± 3 dB at 9.5 cm/ s
  • 25 - 15,000 Hz ± 3 dB (0 VU)
• Signal-to-noise ratio: <65 dB at 19.0 cm/ s (DIN45500)
• Signal-to-noise ratio: ~60 dB
• Distortion factor: <0.4 % at 19.0 cm/ s
• Equalization:
• Crosstalk attenuation:
• Cancellation attenuation:
• Premagnetization and extinction frequency:

Special Features

• Auto-Reverse
• Pitch Control
• Timer Start
• Bias Adjust
• Auto Mute

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

• [[Image: Akai GX-747

• Image: Akai GX-747

Template:Image audioscope

• Excerpt from brochure: Akai GX-747

Reports

• Test report / comparison: [[1]] vs.
  • Akai GX-747
  • ASC AS 6002
  • Tandberg TD-20A SE
  • Teac X-1000 R

Links

• Technical data at "Mackers": [[2]]