Question about Behringer EUROPOWER EP2500 Amplifier
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Posted on Jan 02, 2017
There are so many components that can fail that troubleshooting this can be an expensive problem.
HINT: Put a 150 Watt light bulb in series with the power going into to limit current for/during troubleshooting.
Go through and compare the voltages on the teo channels. If power amp transistors have failed, likely the driver transistors also are gone.
Testing components in-circuit is very dificult. Resistors are pretty reliable and usually show damage by discoloration.
Furhter use before repairing MAY cause further damage.
Posted on Jun 04, 2010
Testimonial: "This is just about the most thorough solution I really needed. Which does make my project to fix this amp worth it. Thanks I will try what you say. Thank you."
There is a possible noise build up on your CH2 due to failure or weakness of the LCR network of the preamp circuit. It could also be a noise within any semiconducctor or the preamp IC. Unless you can do a signal test with the elimination of the input to the output amplifier, the fault will not be say to isolate. Hence if youarre familiar do the test by approching from the output amplifier's input, proceeding to the main input where the faulty section can be identified. Hope this helps. Good day
Posted on Jul 18, 2010
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