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<blockquote data-quote="Biker" data-source="post: 1557955" data-attributes="member: 566329">I put new Infinity components in front and new Infinity 2 ways in the back and purchased a new Rockford fosgate 4 channel Punch 8004 4X100 rms.I hooked up everything same as my cheap Formula 4 channel amp which is working fine but not as much power as the new ampFirst time before I even plugged in the Per Out connectors I heard a POP and smoke came out, RF replaced some components on the rear channels.I got it back and hooked it up yesterday and all seemed ok, set the rear crossover at 120 hz HP filter and the gain at zero. Plugged in the preout for the rear only, Set HU to 80% and started turning up the gain. About the time it just started to distort the amp started soking again and now there is only a whistle out of the rears.Question, What is going on, The amp is 4 channels at 100 watt RMS and those rear speakers are 2 ohm at 55 watt RMS, could a high gain setting smoke the amp, shouldnt the fuse blow first or is the amp still bad, wouldnt RF test it under load before sending it back, There going to fix it again but am afraid to hook it up, Like I said I have a cheap flea market 4 channel 4X250 amp and its working fine, Just wanted more power with the new RF.Any help please.Thanks Biker</blockquote>

[QUOTE="Biker, post: 1557955, member: 566329"] I put new Infinity components in front and new Infinity 2 ways in the back and purchased a new Rockford fosgate 4 channel Punch 8004 4X100 rms. I hooked up everything same as my cheap Formula 4 channel amp which is working fine but not as much power as the new amp First time before I even plugged in the Per Out connectors I heard a POP and smoke came out, RF replaced some components on the rear channels. I got it back and hooked it up yesterday and all seemed ok, set the rear crossover at 120 hz HP filter and the gain at zero. Plugged in the preout for the rear only, Set HU to 80% and started turning up the gain. About the time it just started to distort the amp started soking again and now there is only a whistle out of the rears. Question, What is going on, The amp is 4 channels at 100 watt RMS and those rear speakers are 2 ohm at 55 watt RMS, could a high gain setting smoke the amp, shouldnt the fuse blow first or is the amp still bad, wouldnt RF test it under load before sending it back, There going to fix it again but am afraid to hook it up, Like I said I have a cheap flea market 4 channel 4X250 amp and its working fine, Just wanted more power with the new RF. Any help please. Thanks Biker [/QUOTE]

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