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Car Audio Equipment
Amplifiers
Amplifier pop / DC output on turn-on (Pioneer PRS-D4100F) - VIDEO
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<blockquote data-quote="GuySmily" data-source="post: 8198706" data-attributes="member: 634918"><p>Thanks for all the tips.</p><p></p><p>The sub is an SA-8 D4, which is two channels at 4 ohms each (right?). Each channel from the amp powers one voice coil - no parallel hookups or criss-crossing or anything like that. I read somewhere that this was a bad idea, but I didn't see any explanation for it. Do some music producers feed equal but opposing waveforms into the L/R channels?</p><p></p><p>Here's a picture of the amp:</p><p></p><p><img src="https://lh4.googleusercontent.com/-IAAsSjq5Fao/UpbbMnU__fI/AAAAAAAAWQw/TvBwpcDstp8/s800/20131127_214236.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>high resolution: <a href="https://picasaweb.google.com/lh/photo/SjQlJXavCqjKQNAqinHUh9MTjNZETYmyPJy0liipFm0?feat=directlink" target="_blank">https://picasaweb.google.com/lh/photo/SjQlJXavCqjKQNAqinHUh9MTjNZETYmyPJy0liipFm0?feat=directlink</a></p><p></p><p>AL+ and BL- go to one side of the sub</p><p></p><p>BR+ and AR- go to the other side</p><p></p><p>Come to think of it, I should probably be using the "mono bridge" instead... I still had this problem when hooked up to two separate speakers though. Regardless, double checked the manually, and I guess for a sub I would want mono output from the amp, so I'll go swap it and report back.</p></blockquote><p></p>
[QUOTE="GuySmily, post: 8198706, member: 634918"] Thanks for all the tips. The sub is an SA-8 D4, which is two channels at 4 ohms each (right?). Each channel from the amp powers one voice coil - no parallel hookups or criss-crossing or anything like that. I read somewhere that this was a bad idea, but I didn't see any explanation for it. Do some music producers feed equal but opposing waveforms into the L/R channels? Here's a picture of the amp: [IMG]https://lh4.googleusercontent.com/-IAAsSjq5Fao/UpbbMnU__fI/AAAAAAAAWQw/TvBwpcDstp8/s800/20131127_214236.jpg[/IMG] high resolution: [URL="https://picasaweb.google.com/lh/photo/SjQlJXavCqjKQNAqinHUh9MTjNZETYmyPJy0liipFm0?feat=directlink"]https://picasaweb.google.com/lh/photo/SjQlJXavCqjKQNAqinHUh9MTjNZETYmyPJy0liipFm0?feat=directlink[/URL] AL+ and BL- go to one side of the sub BR+ and AR- go to the other side Come to think of it, I should probably be using the "mono bridge" instead... I still had this problem when hooked up to two separate speakers though. Regardless, double checked the manually, and I guess for a sub I would want mono output from the amp, so I'll go swap it and report back. [/QUOTE]
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Amplifier pop / DC output on turn-on (Pioneer PRS-D4100F) - VIDEO
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