Track system: 4-track, 2-channel, stereo/monaural system Heads: 1 x record, 1 x play, 1 x erase Reel size: up to 7 inch reel Tape speeds: 1 7/8 3 3/4 7 1/2 ips Wow and flutter: 0.09% (7 1/2 ips) Frequency response: 20Hz to 25kHz (7 1/2 ips) Signal to Noise Ratio: 56dB Output: 1V (line) Dimensions: 400 x 350 x 190mm Weight: 11.5kg Year: 1973