Signed up to say thanks to all those who contributed to this thread for the past 15+ years. I was experiencing a constant hum with my subwoofer, and while the plate amp was not the one described in here, it appears that the power supply PCB used by the Woofers by Bob Carver Dominator Model D-10 uses the same (or extraordinarily similar) PCB. The board in this case is labelled JUNIOR V1.2 POWER SUPPLY

One of my two caps looked slightly bloated, and it matched the regularly discussed 1000uf 25v ones in this thread. I replaced both on my board, and no more hum!

Including...

Hello, a quick intro from Australia. An [URL="https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-audio-equipment/6244-subwoofer-power-supply-problem/"]existing thread in these forums[/URL] helped me with an issue I was experiencing, and I've signed up to add some more information. Thanks to the admins and those who contribute here who helped me repair an amp for about $2.Hello, a quick intro from Australia. An [URL="https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-audio-equipment/6244-subwoofer-power-supply-problem/"]existing