PE 300-794 plate sub amp not working

[flyc2c]

Hello All.


I'm a noob here but a music lover for long time. Recently we moved and one of my subs isn't producing sound now. It's an old Parts Express 300-794 plate amp. The other unit is working fine. I swapped inputs, checked the voice coil etc. The unit seems to power up as it shows a green light.



I pulled both boards off the back of the plate but found no "smoking gun". No burns, no leaky caps.


Any ideas?


Thanks!

 

[duncan2]

I will ask the obvious question---you moved house --unit no longer working .
I take it you checked that white multi plug for continuity ?