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subs are pulsing but they still work

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=72862
Printed Date: May 08, 2025 at 11:45 PM


Topic: subs are pulsing but they still work

Posted By: bigswanga
Subject: subs are pulsing but they still work
Date Posted: February 15, 2006 at 8:17 AM

i hoop in to my car one day and i turn it on and i hear music from my from tand back speakers but not my rear subs......i pop trunk to see wut the proble is and when i turn back on my radio they start to pulse but they still have min sound also...can anyone help...thanx



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Replies:

Posted By: bigswanga
Date Posted: February 15, 2006 at 9:47 AM

i was a little sleepy when i wrote that one above...let me start fresh......................

I have a jvc headunit,2 12" Alpine Type R's DVC2 And A Kicker ZR240 Amp pushin those subs and they are ran at 2ohm....https://https://www.the12volt.com/ssi/getimage.asp?imgFN=2_2ohm_dvc_2ohm.gif......and i also have an extra battery in my trunk for the subs...my problem is that jus yester day i got in to my car and started it and when i whent to turn up my beats i heard nothing but a loud flutter comming from the subs...so i turned everything off asap...but now it doesnt make a loud flutter,it produces bass but at a minimum with the subs pulseing..can anyone help me out with this??????



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Posted By: bigswanga
Date Posted: February 15, 2006 at 9:51 AM
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Posted By: geepherder
Date Posted: February 16, 2006 at 7:15 PM

That amp's not stable to 2 ohms mono (how you have it).  It's bridgable, but only to 4 ohms.  I suggest upgrading to a class D mono amp that's capable of that load and will give you the power you want.  You can always use the stereo amp to run some front speakers.



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My ex once told me I have a perfect face for radio.





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