bunkerking09 Posted April 17, 2009 Report Share Posted April 17, 2009 So, not to long ago i bought a Fusion 4000D from SPLDave. So, didn't have the system to hook it up for a few months, never got around to it. About a month ago I finally got it in, and i start having major issues. It would play, but once you hit a high volume, the subs went into spaz mode. I don't know how else to describe this. The subs just...went nuts. So i call Sampson (footlongsam) for some help. He takes the amp, replaces a few fets, throws it in his car, and its loud as hell. Great! We put it back into my truck, same problem. Turn the volume up, subs go crazy and pump furiously. It has GOT to be the headunit. It just doesn't make since because when I took out my last system it was fine, and i went around with no tunes at all for like 3 months. Adn i bought the HU (Alpine 9884) BRAND NEW in july of last year. I just want some other opinions on what it might be. I've heard a lot of people say it has to be the ground, Sam looked at it and said it was fine, and i'm running 2 Optima G31 YT's in the back, so i don't think my electrical is the problem either. Help? PLEASSEEE!?? Quote Link to comment Share on other sites More sharing options...
97maxima Posted April 17, 2009 Report Share Posted April 17, 2009 sounds like a rca issue. trouble shoot all the variables, headunit, rca cables , and your woofers Quote American Bass*DC Power Link to comment Share on other sites More sharing options...
bunkerking09 Posted April 17, 2009 Author Report Share Posted April 17, 2009 sounds like a rca issue. trouble shoot all the variables, headunit, rca cables , and your woofers I hope its the RCA, i'd be really pissed if I had to go buy another headunit. Ah well, I wanted a 2 din anyway Quote Link to comment Share on other sites More sharing options...
97maxima Posted April 17, 2009 Report Share Posted April 17, 2009 are you running a line driver? Quote American Bass*DC Power Link to comment Share on other sites More sharing options...
bunkerking09 Posted April 17, 2009 Author Report Share Posted April 17, 2009 are you running a line driver? No Quote Link to comment Share on other sites More sharing options...
jsmoke222000 Posted April 17, 2009 Report Share Posted April 17, 2009 If you want a double din, I've got a brand new Pioneer AVH P6000DVD Quote Jared Nixon A.K.A. Jsmoke My Car Stereo Website: 3rd Coast Customs My Fishing Website: BigLake411.com Add me as a friend: Myspace Download: Check out my Audio Calculations Spreadsheet (Microsoft Excel) ATTENTION ALL SMD MEMBERS: Do not under any circumstance buy anything from Chassistech! They do not stand behind their products & their customer service is horrible. They do not actually manufacture lowering springs, they drop ship them from Spring Tech. Chasistech.com also does business as Airbagit.com, Streetridepro.com & Truckinsuspension.com. They are all the same company! Do not trust these bastards! Their products are cheap & more often than not, you don't get what you actually order in the first place! YOU HAVE BEEN WARNED! Link to comment Share on other sites More sharing options...
bunkerking09 Posted April 17, 2009 Author Report Share Posted April 17, 2009 maybe because its preamp voltage is 2v? Quote Link to comment Share on other sites More sharing options...
97maxima Posted April 17, 2009 Report Share Posted April 17, 2009 i doubt thats it, try it with the gain turned down low and see if it does it. i had this problem once when i was using a line driver, thats why i asked.just run thru it all and check. if it still is a problem send the amp to me Quote American Bass*DC Power Link to comment Share on other sites More sharing options...
Noobtastic14 Posted April 17, 2009 Report Share Posted April 17, 2009 Test by getting a headphone to RCA chord and put your Ipod straight into the amp and test. If the problem goes away ground your RCAs and call it a day -Drew Quote I am a United States Military Arts and Crafts Professional. Sand it off, Paint it on. uhoh_45 said: dont be a pussy P give the jeep to drew Link to comment Share on other sites More sharing options...
bunkerking09 Posted April 17, 2009 Author Report Share Posted April 17, 2009 i doubt thats it, try it with the gain turned down low and see if it does it. i had this problem once when i was using a line driver, thats why i asked.just run thru it all and check. if it still is a problem send the amp to me the amp can't be the problem. We had it in sam's car and it was pounding fine, actually made his setup quite a bit louder. i THINK its the HU, i'm just trying to get other opinions before i go around begging people to let me steal their's for a day to do some testing. Quote Link to comment Share on other sites More sharing options...
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