Yamaha DSP-E390 Back Sockets
The Yamaha DSP-E390 has one set of main inputs, and a separate tape input. It decodes the front channels to provide a surround sound field. The outputs can then go to another set of amplifiers.
Notice that the speaker outputs are for the rear channels and the centre channel only. The speaker impedance is 8-Ω minimum.
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Yamaha DSP-E390Electronic Engineering
Repair
Power Supply
Back Sockets