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<blockquote data-quote="r0llinlacs" data-source="post: 7523182" data-attributes="member: 636634">And the other amp worked fine? Are you sure you didn&#039;t short out the power wire on the amp when you were taking it out?I don&#039;t know, I&#039;d try a different power supply. You wouldn&#039;t get much from that 20 amps anyways. I don&#039;t know where you got that rating from, but usually each rail has it&#039;s own maximum current. Was the 20 amps on the +12v rail? Sometimes that rating is for combined power of all rails, 5 and 12 volt.Take all of your yellows and bridge them all together, and do the same with the grounds and see if that doesn&#039;t help. My trusty old power supply (28amps on 12v rail) will power any amp up to at least turn it on. I bridged all yellows together and did the same with grounds and extended them with 12gauge speaker wire. Like i said in my previous post, I powered a 760(max) watt pioneer (380rms) and pushed it to the max on an old school JL W-4 12 and it pushed it ok. Definitely not even close to the full potential of the amp, but it was still loud. It put quite a big load on the power supply, the voltage drop was bad.[MEDIA=youtube]0qumNhUGqD4[/MEDIA]</blockquote>

[QUOTE="r0llinlacs, post: 7523182, member: 636634"] And the other amp worked fine? Are you sure you didn't short out the power wire on the amp when you were taking it out? I don't know, I'd try a different power supply. You wouldn't get much from that 20 amps anyways. I don't know where you got that rating from, but usually each rail has it's own maximum current. Was the 20 amps on the +12v rail? Sometimes that rating is for combined power of all rails, 5 and 12 volt. Take all of your yellows and bridge them all together, and do the same with the grounds and see if that doesn't help. My trusty old power supply (28amps on 12v rail) will power any amp up to at least turn it on. I bridged all yellows together and did the same with grounds and extended them with 12gauge speaker wire. Like i said in my previous post, I powered a 760(max) watt pioneer (380rms) and pushed it to the max on an old school JL W-4 12 and it pushed it ok. Definitely not even close to the full potential of the amp, but it was still loud. It put quite a big load on the power supply, the voltage drop was bad. [MEDIA=youtube]0qumNhUGqD4[/MEDIA] [/QUOTE]

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