This is a bare PCB of LM4780 stereo power amplifier. LM4780 has been one of the most successful power amplifier IC for its simplicity of building and sonic quality. This is a stereo design. It can also be configured as a single channel parallel amplifier.
Power supply : 28Vx2 AC, 5A.
Board Dimension : 144mm x 64mm. Thickness : 2mm. The PCB uses 70um thick copper ( 4 times normal thickness) and is gold plated.
