(08-10-2019, 09:18 AM)dansor Wrote: This holds true when running outside of any enclosure, so it doesn’t seem to be a shorting issue, at least as far as the case goes.
I am trying to understand this sentence.
Are you saying that the speaker works correctly when it is outside an enclosure?
If yes... have you tried putting Kapton tape at the back of the speaker? When you close your enclosure, the speaker can touch the pcb, and there are many solder points at that location that can short something.
Please refer to steps #4 and #10 of the following guide:
Guide
Good luck!