Very well-maintained, lightly used 4-track stereo tape recorder, complete with reels. Technical specifications: Track system: 4-track, 2-channel, stereo / mono system. Koppen: 1 x recording, 1 x display, 1 x erasure Motor: 1 x SSM-1 4-pole induction Band speeds: 3 3/4 7 1/2 ips Speed fluctuations: 0.15% (7 1/2 ips) Frequency response: 30Hz to 23kHz (7 1/2 ips) Signal-to-noise ratio: 50dB Total harmonic distortion: 1.5% Crosstalk: 50dB 70mV (line), 7mV (DIN), 0.8mV (mic) Output: 1.228V (line), 0.4V (DIN) Semiconductors: 11 x transistors, 4 x ICs, 4 x diodes After purchase, it will be shipped via a reliable courier with tracking. I highly recommend it.