Yamaha DSP-A1
110W Surround Sound Processor / Amplifier

Specifications
Power output RMS per channel: 110w (main, centre, rear), 35W (front)
Damping factor: 200
Frequency response: 20Hz to 20kHz
Dimensions: 435 x 191 x 473mm
Weight: 23kg
Downloads
block diagrams (en)
parts list (en)
schematics (en)
service manual (en)
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Schematic Diagrams
Schematics are not complete