Vintage Sharp Optonica GS-4500A Optonica amplifier
Fully working - excellent sound
A quality Japanese made amp with inbuilt AM/FM stereo tuner.
It has a phono input for a turntable, aux input for a CD player, laptop, bluetooth adaptor etc, 5 pin DIN tap in/out which can be used to connect tape deck or graphic EQ, outputs for 2 pairs of speakers
The Sharp GS-4500A Optonica 4 Channel is a solid state 4-channel stereo system. It was manufactured by Sharp in Osaka, Japan in the year 1973-1976. The system features a 5-stage “quad” selector for 4-channel reproduction including 4-CH matrix/4-CH discrete system, a separate 4-channel level indicator, a microphone mixing circuit with mic/guitar jack, and ITL and OTL circuits
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