In Reply to: Troubleshooting suggestions for a subwoofer plate amp? posted by Ewalaa on July 21, 2020 at 19:30:37:
I added a "preamp out" to the control board and the preamp section passes a clean signal. I fed the preamp isolated signal to an external power amp driving a passive sub and the crossover, phase, gain, and PEQ function properly.
So worst case, I have a nice sounding active crossover with a single band PEQ. That's enough to save it from the dumpster.
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Follow Ups
- An update - Ewalaa 20:05:30 07/25/20 (0)