Brian Powell Audio

PWR Series Power Amp Wiring Diagram Stereo

The diagram below shows the ideal setup to make a stereo power amplifier. The PSU has a large amount of energy storage and there is a low pass filter on this PSU because of the two low value power resistors. Caps typically 10,000uF or more.

Capacitors should be shorted (even if unused previously) before the supplies are soldered to the PCBs.

Loop breaker rectifier should be 35A.

Speaker protection PCBs should be incorporated, but these are not shown for clarity.