davewms9605 Posted July 1, 2010 Report Share Posted July 1, 2010 Ok guys, My wife has 2 Alpine type r 12's off a crunch 1500.1, a sony deck and stock speakers..Sounded damn good for a while. So, i had a 4 ch amp just laying around, along with some american bass 6.5's. I wanted to upgrade her mids and highs so i installed the amp and speakers. Now, for some strange reason, everytime i hit a bump, i hear this loud bass line coming from the subs!! I didnt touch the subs or sub amp at all! Only put the mids and highs amp in!! When i unplug the 4 ch, it goes away!!!! WTF!!! It only does it when I drive or hit some bumps..When sitting at a light, its fine!! Can u help?? Current Setup: Sony CDX-7401UI 2- 12" Alpine TypeR DVC2ohm Subs Custom ported box 4-American Bass 6.5in SQ-6B Mids 4-Pioneer TS-T15 Tweeters 2-Crunch P1500.1 Mono Amps 2-runs 1/0 GA KnuKonceptz KnuKonceptz RCA's 1-Stinger SPV44 Battery Coming soon: 250 Amp Alt Custom Door Panels Second Skin Sound Deadner All in my 1986 Monte Carlo SS!!! Link to comment Share on other sites More sharing options...
tomypg Posted July 1, 2010 Report Share Posted July 1, 2010 check that the speaker wires are not touching the car, and check all grounds, that all I can think of. 1988 Honda City E Big 3 in 1/0 Venom 6x9 Venom 6.5 Components Response 4x100 midz and highs amp Fusion NV 2500.1: STOLEN 2 x 12 inch fusion nv subs 10 inch 5 doller subs in my doors PM me if you want help with electrical Link to comment Share on other sites More sharing options...
k3n12ock Posted July 1, 2010 Report Share Posted July 1, 2010 Check your grounds. 05 xB - (2) EVIL 18s - (2) BC3500s - NO WALL Channel 1: http://www.youtube.com/k3n12ock Channel 2: http://www.youtube.com/MrK3n12ock2 Link to comment Share on other sites More sharing options...
davewms9605 Posted July 1, 2010 Author Report Share Posted July 1, 2010 check that the speaker wires are not touching the car, and check all grounds, that all I can think of. [/quote The speaker wire from the subs? Or the speaker wire from the mids and highs? Becuz the subs speaker wire is tucked out of the way, didnt have to touch that amp, but my mids and highs speaker wire is just laying around but they are connected good. Now, i did use a distibution block for my grounds!! Should I take that out and just run two seperate grounds? Current Setup: Sony CDX-7401UI 2- 12" Alpine TypeR DVC2ohm Subs Custom ported box 4-American Bass 6.5in SQ-6B Mids 4-Pioneer TS-T15 Tweeters 2-Crunch P1500.1 Mono Amps 2-runs 1/0 GA KnuKonceptz KnuKonceptz RCA's 1-Stinger SPV44 Battery Coming soon: 250 Amp Alt Custom Door Panels Second Skin Sound Deadner All in my 1986 Monte Carlo SS!!! Link to comment Share on other sites More sharing options...
96 Tacoma Posted July 1, 2010 Report Share Posted July 1, 2010 check that the speaker wires are not touching the car, and check all grounds, that all I can think of. [/quote The speaker wire from the subs? Or the speaker wire from the mids and highs? Becuz the subs speaker wire is tucked out of the way, didnt have to touch that amp, but my mids and highs speaker wire is just laying around but they are connected good. Now, i did use a distibution block for my grounds!! Should I take that out and just run two seperate grounds? check the speaker wires make sure they aren't grounding to the door or anywhere else that would effect the subs as well feeding to the amp then the rcas to sub oh and yes always seprate grounds 03 Ram 1500 3.7 v6 quad cab H/U: Pioneer 4200UB Subs: 4 DC LVL 4 15s D1 Sub Amp: 2 Crescendo 3kwp strapped Highs Amp: Crossfire xp240.2 Highs: Crossfire 2 rs69, 2 rs52 Alt: DC POWER ALT 270XP Batts: 5 sprinter data safe Big 3 0ga New Truck 03 Ram Build Log 6 DC Audio lvl2 15's My Wrecked 99 Dodge Ram Sport Build Log 02 Ranger X Cab Build 02 Ranger Build 2 http://www.dcsoundlab.com/ My linkhttp://www.crescendoaudio.com http://www.dcpowerinc.com/ http://www.crossfirecaraudio.com/ Youtube Vids Link to comment Share on other sites More sharing options...
tomypg Posted July 1, 2010 Report Share Posted July 1, 2010 I ment your mids and highs, as you stick the speaker in the terminal or wire may touch the metal of the door, this will make some weird shit on your grounds, messing with both amps. A distrobution block is fine for grounds, just again, check the actual ground to the car from the distro block. Just double check everything, something is touching the ground on bumps, so check if it's close or could touch on a bump. 1988 Honda City E Big 3 in 1/0 Venom 6x9 Venom 6.5 Components Response 4x100 midz and highs amp Fusion NV 2500.1: STOLEN 2 x 12 inch fusion nv subs 10 inch 5 doller subs in my doors PM me if you want help with electrical Link to comment Share on other sites More sharing options...
tomypg Posted July 1, 2010 Report Share Posted July 1, 2010 And check your RCA's, some work better for car audio amps than others... 1988 Honda City E Big 3 in 1/0 Venom 6x9 Venom 6.5 Components Response 4x100 midz and highs amp Fusion NV 2500.1: STOLEN 2 x 12 inch fusion nv subs 10 inch 5 doller subs in my doors PM me if you want help with electrical Link to comment Share on other sites More sharing options...
davewms9605 Posted July 1, 2010 Author Report Share Posted July 1, 2010 I have Knukonceptz rca's! And i do think i did a shitty job back there becuz i jus went out and looked and my block somehow is resting on top of my sub amp!! Mustve came loose becauz when i first hooked everything up, it sounded great the first day or two. Over bumps and everything!! I took off the block and seperated the grounds and reran my mids and highs speaker wire and voila, good clean music!!!! Thanx alot guys!!!!! Current Setup: Sony CDX-7401UI 2- 12" Alpine TypeR DVC2ohm Subs Custom ported box 4-American Bass 6.5in SQ-6B Mids 4-Pioneer TS-T15 Tweeters 2-Crunch P1500.1 Mono Amps 2-runs 1/0 GA KnuKonceptz KnuKonceptz RCA's 1-Stinger SPV44 Battery Coming soon: 250 Amp Alt Custom Door Panels Second Skin Sound Deadner All in my 1986 Monte Carlo SS!!! Link to comment Share on other sites More sharing options...
tomypg Posted July 1, 2010 Report Share Posted July 1, 2010 Glad to hear you got it working 1988 Honda City E Big 3 in 1/0 Venom 6x9 Venom 6.5 Components Response 4x100 midz and highs amp Fusion NV 2500.1: STOLEN 2 x 12 inch fusion nv subs 10 inch 5 doller subs in my doors PM me if you want help with electrical Link to comment Share on other sites More sharing options...
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