Question about Crest Audio CA9 Car Audio Amplifier
My 3 Crest Audio CA9 bought in 1997 have had protect problems : after some minutes of perfect work, the protect stopped one channel. It happened in 2001, just after the end of the warranty.
Crest Audio has issued a retrofit kit to replace SMD input board by a standart-components one, it costed me several hundred of euros each to fix this problem.
Now the problem reappears. In the service manual the solution is "change preamp board". AGAIN ???
These amplifiers are not reliable at all !
So my question is : has somebody the service manual for this CA9 upgrade ? Or can you help me to solve the problem ?
If you are bridged in parallel instead of in series the amp wont support the load so it turns the power protect on till the amp cant handle nomore then the amp will go if you have two subs bridged run them left speaker possative to to the amp possative for bridged mode then laft speaker negative to the right speaker possative then right speaker negative to your amp negative for bridged mode if you have them left and right speaker possative to amp possative and left and right speaker neggative to your negative to your amp thats parallel the ampwont support the 2 ohm load
Posted on Feb 09, 2009
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