Specifications
Track system: auto reverse, 4-track, 2-channel, stereo system
Heads: 1 x erase, 1 x record, 1 x playback
Motor: 2 x reel, 1 x capstan
Reel size: 5 or 7 inch reel
Tape speeds: 3 3⁄4 7 1⁄2 ips
Wow and flutter: 0.06% (7 1⁄2 ips)
Signal to Noise Ratio: 51dB
Total harmonic distortion: 1%
Input: 60mV (line), 0.25mV (mic)
Output: 0.45V (line)
Dimensions: 410 x 326 x 231mm
Weight: 15kg

https://m.youtube.com/watch?v=g8YTQw2cmZ0