Very nice compact reliable “portable” Akai recorder with internal amplifier and stereo speakers! Easy to listen your old tapes without needing a hifi installation. The heads and pulleys are cleaned, demagnetized. Contacts cleaned. Noisy transistors are replaced, all functions tested okay. Good tape to practice and play around with. There are signs of use here and there, but it sounds perfect, heads are very good. Track system: 4-track, 2-channel, stereo/monaural system Heads: 1 x record/playback, 1 x erase Motor: 1 x 2 speed induction Reel size: up to 7 inch reel Tape speeds: 3 3⁄4 7 1⁄2 ips Wow and flutter: 0.14% (7 1⁄2 ips) Frequency response: 30Hz to 21kHz (7 1⁄2 ips) Signal to Noise Ratio: 50dB Total harmonic distortion: 3% Crosstalk: 45dB Input: 70mV (line), 5mV (DIN), 0.5mV (mic) Output: 2.3V (line), 1V (DIN) Output power: 3 watts Speakers: 2 x 5x7" Semiconductors: 16 x transistors, 5 x diodes Dimensions: 359 x 366 x 248mm Weight: 15 kg Including 2 reels with 1 good tape. Carefully shipped