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  1. General Car Audio Discussion
    Having a problem with going into protect mode at around 12 of 30 on volume. Ran a polk audio 800 for years now changed to all alpine equipment ran all new cables and issues began. Put the Polk amp back works fine Alpine back in lights dim a little and goes in protect mode? Can a weak ground on...
  2. General Car Audio Discussion
    I'm hoping someone can help me diagnose this problem so I don't have to send the amp off for repair. Any thoughts would be appreciated. I have a ZAPCO ST-1 driving a pre-boxed 8" JL sub and two ZAPCO ST-4X's driving the main speakers in my truck. The ST-1 and the ST-4X's are all powered from a...
  3. Technical & Advanced Car Audio Discussion
    Hi everyone, I swear I searched the forum first and I couldn't find anything so I registered for DIYMA and here we are! Short story: Disconnected subwoofer, while loose in the trunk the positive and negative subwoofer wires crossed, now (Power Acoustik) amp remains in Protect Mode, and no...
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