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In Reply to: Noisy shut down with Class D Audio CDA 254 bridged to mono posted by islandmandan on June 22, 2016 at 15:43:56:
The power switch is a bit faulty. So it is arcing when you flip it. The arc transmits a RFI pulse, which, somehow is being picked up by the amplifier and zapping your speakers.
A capacitor may be somewhere around that switch to curb such impulses, and it may have died (if this is a new problem.)
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Follow Ups
- The AC power switch is causing the problem IMO - Smelly_Socks 20:48:34 06/22/16 (0)