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Wiring, Electrical & Installation
Sound fades from 3 channels and the 4th channel gets real staticy and LOUD
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<blockquote data-quote="Reboot" data-source="post: 8634359" data-attributes="member: 658447"><p>Hi all,</p><p></p><p>I am having a wierd issue with my truck system and cannot replicate the issue, it is very random yet common. I have an alpine pdx 4.100 amp pushing 4 component speakers. It seems at random times the sound from 3 channels starts to fade getting more quiet and the remaining 4th channel gets louder and louder and static. I have to quickly turn the radio all the way down. I am currently sound dampening my truck so i have all my intererior pulled out and that allowed me to check all my wires and none of them are crushed by seats or anything. All the wiring seems fine. I contacted the alpine repair center and its going to start at 115$ and go up in price depending on repair. Yet i do not know if it is even the amplifier. Maybe it could be the headunit?</p><p></p><p>Have any of you experienced this before or know of a reason or cause for this to happen? Amp? HeadUnit? Grounds? Anything?</p><p></p><p>When it does happen it seems like it doesnt fix itself for sometimes over an hour so you cant listen to the radio. Turning off the truck, turning off the radio, turning off the amp does not seem to fix it. Yet it fixes itself, you will hear the 4th channel get quieter and the other channels gain volume.</p><p></p><p>So wierd!</p><p></p><p>Thanks guys!</p></blockquote><p></p>
[QUOTE="Reboot, post: 8634359, member: 658447"] Hi all, I am having a wierd issue with my truck system and cannot replicate the issue, it is very random yet common. I have an alpine pdx 4.100 amp pushing 4 component speakers. It seems at random times the sound from 3 channels starts to fade getting more quiet and the remaining 4th channel gets louder and louder and static. I have to quickly turn the radio all the way down. I am currently sound dampening my truck so i have all my intererior pulled out and that allowed me to check all my wires and none of them are crushed by seats or anything. All the wiring seems fine. I contacted the alpine repair center and its going to start at 115$ and go up in price depending on repair. Yet i do not know if it is even the amplifier. Maybe it could be the headunit? Have any of you experienced this before or know of a reason or cause for this to happen? Amp? HeadUnit? Grounds? Anything? When it does happen it seems like it doesnt fix itself for sometimes over an hour so you cant listen to the radio. Turning off the truck, turning off the radio, turning off the amp does not seem to fix it. Yet it fixes itself, you will hear the 4th channel get quieter and the other channels gain volume. So wierd! Thanks guys! [/QUOTE]
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Sound fades from 3 channels and the 4th channel gets real staticy and LOUD
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