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Akai GX-400D

Stereo Reel to Reel Tape Recorder (1973-75)

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Akai GX-400D


Nothing has been left out of the new GX-400D. It's loaded with 4 Akai exclusive GX (glass and crystal ferrite) heads, automatic distortion reduction system, tape selector switch, pause control, sound on sound, auto stop and shut off, sound mixing, auto reverse and 10-1/2" reel capacity.


Track system: 4-track, 2-channel, stereo/monaural system

Heads: 2 x GX record/erase, 2 x GX play

Motor: 2 x reel, 1 x capstan

Reel size: up to 10.5 inch reel

Tape speeds: 3 34  7 12  15 ips

Wow and flutter: 0.035% (15 ips)

Frequency response: 20Hz to 30kHz (15 ips)

Signal to Noise Ratio: 54dB

Total harmonic distortion: 1%

Crosstalk: 45dB

Input: 100mV (line), 5mV (DIN), 0.5mV (mic)

Output: 1.23V (line), 0.6V (DIN)

Semiconductors: 93 x transistors, 87 x diodes

Dimensions: 457 x 590 x 240mm

Weight: 31.2kg


instruction/owners manual   English -

schematics   English - Ivy Caudieus

service manual   English - Olle Stal

parts list   English - Olle Stal

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re: GX-400D

Hi, I am missing information material, catalouge or any kind of manual for the AKAI GX-400D PRO SEPARATE. Does anybody have such printet information of any kind? Please let me know.

Regards Olle.

400D-SS service? please? Also 400D-Pro?

Hi I have the 3 models of these, the 400D, 400D-pro, and 400D-SS - and as you might expect, I am looking for service manuals for all 3. The 400D needs some belts and a few control fixes, the 400D-pro, same thing, the 400D-SS a fair bit more work....thanks for looking/maybe helping. cheers

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