monoxide Posted May 9, 2009 Report Share Posted May 9, 2009 i just put a rockford power hx2 in my truck it is underpowered i know that it is getting about 350 watts rms at 4ohm. but any ways when i turn my radio to past lets say 15 the sub will cut off and on randomly. any one know what is causing this and can explain how to fix it? thanks in advance guys. Quote Link to comment Share on other sites More sharing options...
white4d96 Posted May 9, 2009 Report Share Posted May 9, 2009 Amp going into protect? Bad ground? Quote Too many projects, too little time... Link to comment Share on other sites More sharing options...
BJD3 Posted May 9, 2009 Report Share Posted May 9, 2009 What amplifier? Have you tried turning the gain down? Quote Anti Peel and Seal...lol You may be offended by the above. Don't take it personally, I'm just abrasive. 2002 Buick Park Avenue DC Level 4 M2 12 D2 Car Audio Bargain 1600.1 Eclipse CD3200 ~2 cubes @ 34 hz. Stinger Roadkill Expert Link to comment Share on other sites More sharing options...
mrwigglezdj Posted May 9, 2009 Report Share Posted May 9, 2009 i would have to lean towards bad ground. happend to me a while back as i was going to give a demo, thought the subs were fucked and turned out to be my ground got loose Quote Americas loudest work van2006 iasca heavyweight bassboxing champion at 150.4 db with 60second average TL8 memphis PR15s,12 memphis PR6.5's coax,4 memphis PR 1inch tweets Link to comment Share on other sites More sharing options...
vexproductions Posted May 9, 2009 Report Share Posted May 9, 2009 sounds like you are clipping . you should set the gain on your amp using a mulitmeter... hope that helps.. Quote Link to comment Share on other sites More sharing options...
monoxide Posted May 9, 2009 Author Report Share Posted May 9, 2009 ok this is gonna sound like a noob question but how do i set the gain using a multimeter? and it could be my ground also i was rushing to finish this before it started pouring down rain so i didnt strip the paint on my ground. also it is grounded to my jack bolt if that is ok or should i find a diff place? Quote Link to comment Share on other sites More sharing options...
white4d96 Posted May 9, 2009 Report Share Posted May 9, 2009 Ground it to the chassis, use an existing hole or drill one (THAT WONT HIT ANYTHING!!!!!) then strip the contact point to bare metal. Quote Too many projects, too little time... Link to comment Share on other sites More sharing options...
BJD3 Posted May 9, 2009 Report Share Posted May 9, 2009 JL Audio setting amplifier gain Quote Anti Peel and Seal...lol You may be offended by the above. Don't take it personally, I'm just abrasive. 2002 Buick Park Avenue DC Level 4 M2 12 D2 Car Audio Bargain 1600.1 Eclipse CD3200 ~2 cubes @ 34 hz. Stinger Roadkill Expert Link to comment Share on other sites More sharing options...
monoxide Posted May 9, 2009 Author Report Share Posted May 9, 2009 Ground it to the chassis, use an existing hole or drill one (THAT WONT HIT ANYTHING!!!!!) then strip the contact point to bare metal. my ground wire is only like 2ft will this ground i have now be good if i strip it . Quote Link to comment Share on other sites More sharing options...
white4d96 Posted May 9, 2009 Report Share Posted May 9, 2009 I wouldn't mount it to the jack. If it's running into the spare tire well (where I'm assuming the jack is) just drill a small hole through the bottom of the well. Got any pics of the ground/jack area? Quote Too many projects, too little time... Link to comment Share on other sites More sharing options...
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