Excellent condition and perfectly working Legendary Akai GX-636 comes in Silver finish with two original Aluminium maxell tapes. Technical Specifications Track System: 4-track, 2-channel, stereo/monaural system Heads: 2 x record, 2 x playback, 2 x erase Motor: 1 x servo capstan drive, 2 x reel drive Reel Size: Up to 10.5-inch reel Tape Speeds: 3 ¾ and 7 ½ ips (9.5 and 19 cm/s) Wow and Flutter: 0.03% (7 ½ ips / 19 cm/s) Frequency Response: 30Hz to 27kHz (7 ½ ips) Signal to Noise Ratio: Better than 62 dB Total Harmonic Distortion: Less than 0.5% Dimensions: 440 x 483 x 256 mm Weight: 21 kg Year of Manufacture: 1979 - 1982