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B212D active speaker amplifier troubleshooting - driver stops after running for 20 minutes Answered

B212D active speaker amplifier troubleshooting - driver stops after running for 20 minutes.

Every time I switch on the speaker, it works for 20 to 30 minutes and after that the driver stops but the compression driver still works. Right after that, if I power off and power on then the driver works for one minute or so.

Once it is cooled, if I start it again, it repeates same as above.

Is it a capacitor issue or any other weak component? How to diagnose and fix it?

It is a product from 2009 Behringer.

Please help.

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