Specifications Type: 2-head, single compact cassette deck Track System: 4-track, 2-channel stereo Tape Speed: 4.75 cm/s Heads: 1 x record/playback, 1 x erase Motor: electronically controlled DC Tape Type: type I, FeCr, CrO2 Noise Reduction: B Frequency Response: 25Hz to 17kHz (Cr02 tape) Signal to Noise Ratio: 64dB (dolby B) Wow and Flutter: 0.05% Total Harmonic Distortion: 1.5% Input: 64mV (line), 0.3mV (mic) Output: 0.45V (line) Semiconductors: 38 x transistors, 52 x diodes, 4 x IC Dimensions: 420 x 187 x 304mm Weight: 8.5kg Year: 1978 Small marks on the front as shown in the photo