Akai GX-635 DB specifications

Brand : Akai

General

Connections

Tech nical data

Special equipment

Manufacturer: Akai
Model: GX-635 DB
Type: Tape Machine
Years of manufacture: 1979 - 1984
Made in: Japan
Color: Silver or Black
Remote control: yes (cable remote control RC-17, RC-18, or infrared remote control RC-70)
Power consumption: 100 W
Dimensions: 440 x 483 x 256 mm (WxHxD)
Weight: 21 kg
Factory price approx.: 1'900 DM

Number of outputs: 3
- Line (0.775 V)
- DIN (0.3V)
- Headphones (100 mV, 8 ohms)
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Number of inputs: 2
- Microphone (0.25mV / 600 ohm)
- Line (70 mV / 100 kOhm )
- DIN (2 mV / 10 kOhm )

Max. Coil diameter: 26.5 cm
Drive: 3 motors
Heads: 6
Tracks: 4
Belt speeds: 9.5 and 19 cm/s
Slip:
Synchronisation fluctuations:
- at 9.5 cm/s: < 0.03 %
- at 19 cm/s: < 0,04 %
Pitch variations: ± 0,6 %
Total frequency response:
- at 9.5 cm/s: 30 - 21,000 Hz
- at 19 cm/s : 30 - 25,000 Hz
Signal-to-noise ratio:
External voltage ratio: > 62 dB (should probably be higher than the GX-635 D)
Total harmonic distortion: <0.5 % (1 kHz)
Equalization:
Noise voltage distance: > 62 dB
Crosstalk attenuation: > 55 dB
- opposite-sense double track recording, mono:
- opposite-sense stereo operation:
Erasure attenuation:
- at 19 cm/sec: > 70 dB
Pre-magnetization and erasure frequency: 100 kHz