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Questions & Answers
The problem is not bad transistor.
the problem is dirt, try to clean dirt in the internal of the amplifier especially the front section that has a foam attached to it.
this should be done by removing the cover of the amplifier.
Also do not overload the amplifier, check its ampere, watt and ohms to ensure balance of the amplifier and the speaker....
on Sep 25, 2019
Behringer EP2500 Clip light Channel 2 stays on & heatsink HOT!
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.
on Jun 19, 2018
My EP2500 died, the capacitors are swollen on the
Unless you are a qualified audio service technician, you should refer repair of this unit to an authorized Behringer service depot. The capacitors you refer to can store lethal amounts of electrical charge. Also, Behringer service manuals and schematics are notoriously difficult to get.
on Mar 30, 2018
Behringer pmp2000 europower no sound
Probably the power amp has arced and popped a lot of components.
When teh amps go usually the final pwer transistors, their drivers and sometimes even the power supply gets zapped.
Check the output of the preamp at the inserts for the final amp with headphones to see if anything is coming through.
on Mar 02, 2014
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