Sony - TC-177SD 'Sony'S First Flagship Cassette Recorder With A Three-Head Tape' Audio-cassette deck

The Sony TC-177SD is one of the most sophisticated cassette recorders ever developed.

Dolby noise reduction, solenoid-assisted controls, and three independent ferrite heads have been incorporated into a magnificent recorder, delivering performance that will truly surprise you.

Specifications
Type: 3-head compact recorder
Track system: 4-track, 2-channel stereo
Tape speed: 4.8 cm/s
Heads: 1 x recording, 1 x playback, 1 x erase
Motor: 6-pole hysteresis synchronous
Tape types: Type I, FeCr, CrO2
Noise reduction: B
Frequency response: 20 Hz to 20 kHz (FeCr tape)
Signal-to-noise ratio: 60 dB (Dolby B)
Wow and flutter: 0.07%
Total harmonic distortion: 1.3%
Input: 60 mV (line), 0.2 mV (microphone)
Output: 0.775 V (line)
Semiconductors: 55 transistors, 46 diodes, 11 integrated circuits, 1 Hall integrated circuit, 2 power supply tubes
Dimensions: 435 x 155 x 325 mm
Weight: 10 kg
Year: 1974
Serviced by a technician before being offered for sale