Akai GX-221 E

Data

General

• Manufacturer: Akai
• Model: GX-221 D
• Years of manufacture: 1972 - 1974
• Made in: Japan
• Color: silver/black, case wood walnut
• Type: Autoreverse coil tape
• Remote control: no
• Power consumption: 80 watts
• Dimensions: 430 x 425 x 230 mm (WxHxD)
• Weight: 19 kg
• Original price: 1'774 DM

Connections

• Number of inputs:
  • Microphone: 0.2 mV / 10 kOhm

Line In: 50 mV / 150 kOhm

• • Line In DIN:
    • Low: 7 mV
    • High: 50 mV
• Number of outputs:
  • Line Out: 1.23 V, 100 Ohm
  • Headphones: 30 - 40 mV, 8 Ohm

Technical Data

• max. coil diameter: 18 cm
• drive: 3 motors (1x DC-Servo Capstan, 2x coils)
• heads: 3 sound heads (1x GX head recording, 1x GX head playback, 1x erase)
• Tracks: 4
• Tape speeds: 4.75 cm/s, 9.5 cm/s, 19 cm/s
• Synchronous fluctuations:
• Pitch fluctuations:
  • at 4.75 cm/s: < 0.2 %
  • at 9.5 cm/s: < 0.12 %
  • at 19 cm/s: < 0.08 %
• Overall frequency response:
  • at 4.75 cm/s: 30 - 10'000 Hz, ± 3 %
  • at 9,5 cm/s: 30 - 20'000 Hz, ± 3 %
  • at 19 cm/s : 30 - 25'000 Hz, ± 3 %
• Signal-to-noise ratio: > 54 dB
• External signal-to-noise ratio:
• Distortion factor:
  • at 19 cm/s: < 1.5 % (1'000 Hz)
• Equalization: NAB
• Crosstalk attenuation: > 40 dB (1 kHz, stereo)
• Cancellation attenuation: > 70 dB
• Premagnetization and cancellation frequency: 100 kHz

Special Features

• Auto-Reverse
• Sound on Sound recording
• Automatic stop and shutdown
• Rear band control
• Multiplay

Comments

• Other models in the same series:
  • 1721 W
  • 1730 D-SS
  • 1800 SS
  • 4000 DS
  • 4400 D
  • GX-221
  • GX-221 D
  • GX-260 D
  • GX-280 D-SS
  • GX-285 D
  • GX-400 D
  • X-201 D

Pictures

• Excerpt from brochure: Akai GX-221 D