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I have an old set of EV 1502 PA Speakers. One of my Cabs the 15" driver stopped working... I can plug the Horn and the 15" Driver in Separately and they both work which I think means I have a problem with the Crossover.. I just don't know how to test it to find out what part of the crossover is bad.... any help???

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The crossover network is a combination of a LCR circuit. since all these arre passive components you will not have a problem to find the actual fault. Since you have confirmed with the drivers, the line in to the network from the speaker wires must be traced for continutiy, use a good multimeter. now check carefully on the PCB-printed circuit board.- for any track damage on it, if so loop and connect. The main driver is usually in parallel to the main line but with a croos over of a cpacitor and a series inductor. This will be the culprit, either it has come off from the PCB or open out by burning off. replace or reconnect. I am sure it can be sorted out easily by your carefully analysis. Hope this helps. Good day

Posted on Jul 20, 2010

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