I am so happy to find an expert in this particular department of these awesome subs. I have a buddy give me a synergy klipsch 10" (down firing) that has very sensitive rca inputs and none of the low level inputs work.
If I hold the sub cable down to touch the insides of the rca jack, it works great.
I have the exact same sub (but the 12") I had to repair the rca input on.
-I basically removed the LFE port and wired it to the right input. Works great!
This 10" tho is a struggle.
Replaced both rca Jacks and now get no input, not even my original temp trick works.
I did it correctly, done it many times on other amps. Any suggestions would be appreciated.
Analyzing every inch of the amp it seems to be in good shape other than a few hairs of elevation on the main capacitor, but knowing it kinda worked before, leads me to believe it's not the main issue.