I've just rewired my 4x12 cab to become two 2x12s to accommodate for a Montgomery-Ward head. One pair of speakers is playing loud and clear, the other side sounds extremely underpowered. One speaker at maybe 60%, the other at maybe 25% of the expected volume (and compared to the other pair). I've tried this amp through a peavey cab with two 8 ohm inputs and she works fine. The amp has two 8 ohm outputs, so I'm going from each into my "new" 2x12s (all the same speakers, celestion 16ohm wired in parallel for 8ohms). The "good" pair of speakers is wired to a regular mono phone jack. The "bad" pair is wired to a two-lead Cliff jack that was original to the cab. The contacts on the "bad" jack all seem to be tight, nothing visibly wrong. I've re-done the wiring once, cleaned up all the connections and triple-checked which wires go where... my only thinking is that maybe I have the poles wrong on my "bad" jack, since I can't find a schematic telling me which lead is which, I'm just going off of the pictures I took before I re-did the wiring (and maybe I've had the poles wrong for years and didn't know it). Could having my pos/negative incorrectly connected on my Cliff jack cause this problem? Or would I not be getting any sound at all? Thanks!