Akai GX-400D Pro
Stereo Tape Deck (1974-75)
Track system: auto reverse, 4-track, 2-channel, stereo/monaural system
Heads: 2 x playback, 2 x record/erase
Motor: 1 x capstan, 2 x reel
Reel size: up to 10.5 inch reel
Tape speeds: 3 3⁄4 7 1⁄2 15 ips
Wow and flutter: 0.07% (15 ips)
Frequency response: 20Hz to 30kHz (15 ips)
Signal to Noise Ratio: 54dB
Total harmonic distortion: 1%
Input: 70mV (line), 15mV (DIN), 0.6mV (mic)
Output: 0.775V (line)
Semiconductors: 93 x transistors, 87 x diodes
Dimensions: 457 x 590 x 240mm
Price: USD $1200 (1974)
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Reviewed Jun 11th, 2016 by Keith Shultz
You are so right Taarzaahn!
I own all 3 different 400Ds and as far as I'm concerned there just great. Each has its own Disposition but in the end, they just make-your-day! The 'Pro' gives you the best of Two Worlds. The 'D-SS' is... (with a little extra Electronic), even able two simulate Dolby recordings. And when used as a Quad Recorder you really feel like your floating! And the ‘400D’ is just wonderful in BOTH Directions!
Reviewed Jan 21st, 2016 by Taarzaahn
Still one of the best R2R ever made and still in good shape after 42 years in use.