On June 23, 2016 at 16:29, SWFLMike said...
I can't get back to this job until mid July so I'm tinkering with potential workarounds in my spare time. I may just tell the guy he needs an amp.
Sell him a new amp. Once you've tinkered and get it to work, you'll be responsible to keep it working for free. (or nearly free)
