Akai GX-400D Pro specifications

Brand: Akai

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• Track system: auto reverse, 4-track, 2-channel, stereo/monaural system
• Equalization: NAB
• Heads: 2 x playback, 2 x record/erase
• Motor: 1 x capstan, 2 x reel
• Reel size: up to 10.5 inch
• Tape speed: 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
• Distortion: 1%
• Crosstalk: 50dB
• Analogue Inputs: 70mV (line), 15mV (DIN), 0.6mV (mic)
• Analogue Outputs: 0.775V (line)
• Dimensions: 457 x 590 x 240 mm
• Weight: 31.2 kg
• Year: 1974
• Price: USD $1200 (1974)