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[tommycon]

hiya all,
 a couple of times a day the speakers become distorted like they are on full blast ,, i thought it was the stereo unit so i changed it but same prob,, i`ve put the old unit back in,, if i go over a bump or slam the boot it will either get worse or better,, when the sound goes funny i go to select rear speakers and they have gone off,,
 i`m thinking maybe the problem lays with the rears,, before i replace them as anyone encontered this problem before?
 many thanks.
 ps its a 96 elite with a muti change cd in boot and the unit is a philips but as i said the problem happened with a new unit also.
paul

[Dave DND]

Hi,

Answer given in quite a few previous threads, but here it is again

Almost certainly to be the speaker packing up.

The cause is usually the voice coil of the speaker having overheated due to either playing very loudly, or more often by turning up the bass to a level / frequency that the speaker cannot maintain for long periods of time, and this causes the resin on the copper windings to boil and expand over time causing the overall diameter of the voice coil to get slightly larger to the point that it starts to rub against the side of the speaker magnet internally. This is indicated at a fairly early stage by "cracking" and "popping" from the speakers as they are no longer allowed to move freely in and out. If this is allowed to get any worse, the speaker may sieze completely and burn out, often resulting in the failure of the head units internal amplifier.

If you suspect a speaker is crackling - change it now !!!!

  

[tommycon]

excellent  info Dave thank you very much,,
 paul

[MutantCav]

Got some replacement speakers here if your interested?