Question about Pyramid PB845X Car Audio Amplifier

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Pyramid pb8 45x amp bein an ass

Hi my pyramid pb8 45x amp keeps jumping onto protect we compleatley disconnected pre outs no joy changed pre outs no joy removed no joy checked fuses earth live feed remote feer its not got wet and it has neva got hot its running 2 sony explodes has neva protetected its self befor if u have any suggestions please e-mail me asap much appreciated chris [email protected]

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Dear Cliffey18

I think you have to change protection diodes,Sometimes they seem to be ok when not load but when the power gets in they change the behavier or it can be the regulator ic which is fualty.........

I hope your problem is gonna be solved
thank you


Posted on Feb 02, 2008


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Too much input, lower the volume of source.

Posted on Feb 02, 2008


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Posted on Jan 02, 2017

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