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Re: Polk PSW111 sub-woofer - Heartbeat
Upgrade, i have replaced one mosfet and all power supply capacitors, less than 10 euro of tutal cost, and the sub run well now. I have fixed also an additional heatsink and built a small external cir…2 · -
Re: Polk PSW111 sub-woofer - Heartbeat
I don't know if I misunderstood, Polk send you a new full SUB and leave you with the old one? Or just the amp? If you still have the defective SUB, you can put it up for sale on Ebay or other sa…1 · -
Re: Polk PSW111 sub-woofer - Heartbeat
The critical capacitors are C38 and C39, before the voltage regulators for the OPs, followed by those which, like these, levelling the rectified PWM voltage C14, which feeds the final power mosfets, …1 ·
