juan777 Posted April 9, 2014 Report Share Posted April 9, 2014 Pioneer 4600BT Dual alt setup with 370XP DC Power for bass amp exclusively 2 Group 31 Crescendo Batteries Soundqubed Q3500.1 2 HDC418s in Joe X designed box Amp was set up using DD1 All, My system has been acting weird lately, (Past 3 months or so). For about 30min, my bass will play nice and loud. After the 30min or so, bass will get cut in half, just bass, not mids or highs. I thought it was the grounds so I checked them, both amp outputs are grounded to the batteries and the batteries are grounded to the chassis, yes the paint was stripped off. The amp is connected directly to a new pioneer unit which I bought about a month ago thinking it was the old head unit, also a Pioneer which was old anyways and needed replacement. No other issues, weird smells, or noise. Nothing else other than what I just described. Please help! Juan777 The L@zy Hoe 2005 Chevy Tahoe 2,500 Watts of Highs/Mids 4 10 midrange 4 6.5 midwoofers 4 Tweeters 6 Supertweeters 2 Lithium 80AH Batteries 24K Watts 4 Custom 18s Quad alt setup Rebuilt 250amp and 3 370s Interior work by Lone Star Auto Works The Build Log Like Loud Bass? Click Here! On 12/5/2014 at 8:06 PM, juan777 said: See yall there, I'll be the drunk Mexican with aviators on. On 12/6/2014 at 10:32 PM, boom50cal said: I did see Juan LMFAO! He REALLY WAS the drunk mexican with Aviators on! Link to comment Share on other sites More sharing options...
ImaNoob Posted April 9, 2014 Report Share Posted April 9, 2014 I would start by checking conections, pull the subs check those as well. 2006 Dodge Ram 1500 Xs3400 1500BDCP FI BL 12 3sq @ 32hz Rockford t675 T400.2 Stinger Deadner Build Log Here Link to comment Share on other sites More sharing options...
juan777 Posted April 9, 2014 Author Report Share Posted April 9, 2014 Connections are solid I double checked them, if it was the sub connections then wouldn't 1 or both subs stop playing instead of just playing softer? RCAs maybe? I'll swap them out and test. What about a faulty bass knob? The L@zy Hoe 2005 Chevy Tahoe 2,500 Watts of Highs/Mids 4 10 midrange 4 6.5 midwoofers 4 Tweeters 6 Supertweeters 2 Lithium 80AH Batteries 24K Watts 4 Custom 18s Quad alt setup Rebuilt 250amp and 3 370s Interior work by Lone Star Auto Works The Build Log Like Loud Bass? Click Here! On 12/5/2014 at 8:06 PM, juan777 said: See yall there, I'll be the drunk Mexican with aviators on. On 12/6/2014 at 10:32 PM, boom50cal said: I did see Juan LMFAO! He REALLY WAS the drunk mexican with Aviators on! Link to comment Share on other sites More sharing options...
never knows best Posted April 9, 2014 Report Share Posted April 9, 2014 intermittent connection on the tinsel leads??? agree pull the subs- Link to comment Share on other sites More sharing options...
Kranny Posted April 9, 2014 Report Share Posted April 9, 2014 if speaker wires are loose, one of the voicecoils could get disconnected temporarily which will definitely cause the bass to be quieter. edit: those AQ/SQ bass knobs aren't the greatest. i went through two and the second one was even starting to go bad. use a PAC LC-1, its reliable and works great. Link to comment Share on other sites More sharing options...
juan777 Posted April 19, 2014 Author Report Share Posted April 19, 2014 RCAs swapped out still same thing, I'm gonna take the bass knob out of the equation since all I want it for is the clipping indicator. I will also re-set the gains with my DD1 again just because. Rechecked grounds for resistance, they are solid grounds. I will reply with findings Thanks for all your help everyone The L@zy Hoe 2005 Chevy Tahoe 2,500 Watts of Highs/Mids 4 10 midrange 4 6.5 midwoofers 4 Tweeters 6 Supertweeters 2 Lithium 80AH Batteries 24K Watts 4 Custom 18s Quad alt setup Rebuilt 250amp and 3 370s Interior work by Lone Star Auto Works The Build Log Like Loud Bass? Click Here! On 12/5/2014 at 8:06 PM, juan777 said: See yall there, I'll be the drunk Mexican with aviators on. On 12/6/2014 at 10:32 PM, boom50cal said: I did see Juan LMFAO! He REALLY WAS the drunk mexican with Aviators on! Link to comment Share on other sites More sharing options...
deathcards Posted April 19, 2014 Report Share Posted April 19, 2014 going to say rcas for some reason, i got a buddy that has loose rcas and is blaming his deck but won't put his good set in >< skar sk2500.1 0 gauge power and ground kunukonceptz alpine HUvxi65 components on BA gt-275new build log -> http://www.stevemeadedesigns.com/board/topic/150642-project-d-kon-deathcards-build-log/#entry2148821 2 x-15 sundowns singer alt, odyssey bat, and maxwell ultra caps Link to comment Share on other sites More sharing options...
Karkov Posted April 19, 2014 Report Share Posted April 19, 2014 I like your equipment choices. Pics.? Tuned in for conclusion of your findings. 2007 Chevy Tahoe (SOLD) 12 ~ FI Audio X series 10" w/BP option 2 ~ DC Audio 5.0K @0.67 3 ~ DC Audio 5.0K @1.0 2 ~ PPI 3 way sets (not installed yet) 1 ~ RF T400-4, 1 ~ RF T600-2, 1 ~ RF T600-4 4 ~ CT Sounds 5.25" Strato comps (rear fill only) 1 ~ XS Power D4800 1 ~ XS Power D3400 8 ~ XS Power XP3000 160 stock alt, Mechman 370 Elite, 185 DC Power 320+ Sq. Ft. Sound Deadener Pioneer AVH-X5500BHS Youtube: https://www.youtube.com/user/knfjdkghjudfhsgkjdhf/videos?sort=dd&view=0&shelf_id=0 Link to comment Share on other sites More sharing options...
wccfan12 Posted April 19, 2014 Report Share Posted April 19, 2014 Def take the bass knob outta the equation man. I used to have a bass knob on all the amps I owned and they all went bad at some point as in the wires would start to get loose on the back and it definitely affected the loudness of my setup. i don't run bass knobs anymore cause it's too much to play around with. My car already feels like a spaceship when I do all the necessary things to turn the system up lol. I would get a pac LC-1 like others suggested if you really want a bass knob I've never heard of anybody complaining about them I might get one here in the near future myself. Hope you get that problem fixed though man you have some solid equipment for sure! THE ANTHRACITE DYC CRUISER -Fully dipped anthracite grey pt cruiser -4 skar vvx 12's (version 1) -Mechman 240 amp alt -Big three in Cadence 1/0 -1 deka intimidator g31 blacktop under the hood -1 C&D 140ah Batt & 1 C&D 55ah batt in the rear -Re audio/soundstream mids and highs -Hifonics Zues 600.4 -DC Audio 3.5k Link to comment Share on other sites More sharing options...
SnowDrifter Posted April 19, 2014 Report Share Posted April 19, 2014 Only read OP Verify RCAs on back of head unit, any bass knob you have, and on the amp are tight. Pull your subs and check the wiring is intact and that the tinsels aren't loose or have any breaks/fatigue spots in them ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
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