Question about Eclipse EA3422 Car Audio Amplifier

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Car speakers cut out (no sound) when volume turned up

Hi I recently purchased a new stereo consisting of...

Head Unit: Sony CDX-GT770
http://www.sony-asia.com/product/cdx-gt770

Amplifier: Sony XM-ZR602
RMS = 60W x 2
http://www.sony.com.au/product/xm-zr602

Speakers: Option Audio OA60C
RMS = 110W
http://www.optionaudio.com.au/speakers_oa60c.php

My problem is that when I turn the HU up past 25 the front speakers stop making any sound. When I turn it back down to around 5 they will kick back in though.... this problem has only started today.It appears to be only the left hand speaker that is causing the issue but it shorts both of them out.

I installed the amp using a store bought wiring package and I also bought some heavy duty speaker wire. The sensitivity on the amp is set on 2V and I have a Low Pass Filter set on 100Hz in my HU as I am also running an sub off a seperate amp. I have checked the speaker wiring for any possible earths but am unable to locate any, I couldn't find my multimeter (bugger).

Anyhow if anyone could help me with this problem I would greatly appreciate!!!!!

Thanks.

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  • 39 Answers

I would check the crossovers.
If you are turning it up too loud, then the amp may be clipping (into distortion) and this is then setting the protection circuits off in the crossovers.

Posted on Jun 16, 2009

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Posted on Jan 02, 2017

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