Optonica Receiver 5606

 Great looking high-end Optonica Stereo Receiver.

All functions work great and it sounds great.
This is a powerful unit rated at around 85 watts per channel.
Very nice rare black faced vintage model.
Recently serviced with all switches and controls cleaned and lubricated.
Ability to hook up 3 sets of speakers.
Also has the rare feature of being able to completely turn off the tuner section when listening to other sources. 
These classic large/powerful Optonica units are hard to find! They were made in the late 1970's to compete with Marantz, Sansui, Pioneer, Kenwood, and others. 

Tuning range: FM, MW

Power output: 85 watts per channel into 8Ω (stereo)

Frequency response: 15Hz to 50kHz

Total harmonic distortion: 0.03%

Damping factor: 50

Input sensitivity: 2.5mV (MM), 150mV (line)

Signal to noise ratio: 80dB (MM), 100dB (line)

Output: 150mV (line)

Semiconductors: 3 x FET, 6 x IC, 57 x transistors, 62 x diodes, 3 x LED

Dimensions: 550 x 182 x 405mm

Weight: 18kg

Finish: black front panel