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Old 16 June 2010, 10:13 AM
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Jamz3k
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I have got a Kenwood headunit, Kenwood 3way 800W Amplifer (running the front speakers and sub), Alpine TypeR front speakers and a Kicker XPL subwoofer in my car and I'm having a problem which shows up mostly in dance music.

Problem is when I'm playing my music rather loudly the volume fluctuates from high to low. I know **** all about car audio but if i were to guess, the Amplifier is either overworked or not drawing in enough power to cope with running the Sub and fronts at a constant level when the music goes into full swing!

Any ideas of what could be causing it or how to correct it?
Old 16 June 2010, 10:24 AM
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mr_D
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what power wire you running? also whats the volts on the battery when this is playing. its possible your amp is drawing too much power for your battery that may be on its way out. do your lights dim when its playing?
Old 16 June 2010, 10:27 AM
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Running a wiring kit from Halfords, can't remember what size of battery it is will check in a mo. The battery less than 6months old so i don't think its on its way out and haven't noticed the lights dimming as i ain't drove in the dark in ages.
Old 16 June 2010, 02:37 PM
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any other thoughts on this? Thought I had a multi-meter to check the battery but **** knows where it is.
Old 16 June 2010, 03:38 PM
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Loose wire somewhere?

It could be that the amp is trying to draw too much power and therefore starts to shut down when it doesn't get it. Could be overheating too and bringing some kind of thermal shutdown / protection mechanism into play.
Old 16 June 2010, 05:31 PM
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as above really. do you play it really loud for long? it could just be your alternator is not running enough to power battery. i know on subarus they have this clever alternator which only charges once something in the car is on. i dont know if a direct sorce taken off the battery is enough.

try turning on your heaters and seeing if it does it then.
Old 16 June 2010, 05:38 PM
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I generally don't play it loud which is probably why i only heard it today. I had the kit professionally installed about 2years ago but i've never been 100% happy with it to be honest.
Old 16 June 2010, 05:52 PM
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please dont say by halfords staff??

check your earth as well while your at it
Old 16 June 2010, 06:23 PM
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Originally Posted by mr_D
please dont say by halfords staff??

check your earth as well while your at it
no not by Halfords.
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