Today we are repairing Sony TC-K60 cassette deck from late 1970 !
I purchased this cassette deck for a price of cappuccino with a muffin. And it was clearly broken. But I decide to tinker with it and make sure it works !
I think this Sony TC-K60 cassette deck is pretty decent example of late 70 cassette players / recorders and was warth my time and efforts to restore it.
Type: 2-head, single compact cassette deck
Track System: 4-track, 2-channel stereo
Heads: 1 x record/playback, 1 x erase
Tape Type: type I, CrO2, FeCr
Noise Reduction: B
Frequency Response: 30Hz to 16kHz (FeCr tape)
Signal to Noise Ratio: 59dB
Wow and Flutter: 0.05%
Total Harmonic Distortion: 1.3%
Input: 70mV (line), 0.25mV (mic)
Output: 0.435V (line)
Dimensions: 430 x 155 x 325mm
Check my video on restoration process
And here is demonstration of Sony TC-K60 perfectly working
Photos of the internals