Question about Behringer EUROPOWER EP2500 Amplifier
I only have a schematic for channel 1 so I will use the reference numbers from it.
The Neg step driver was bad (T18 - 50N06) This has been replaced along with D23 - 4007.
Both the -55 and -110 rails are up to spec.
All the output transistors meter good and nothing seems to be hotter in this channel than channel 1.
I'm looking over the DC protect circuit right now.
TIA for any help!
The smallest signal will cause the clip indicator to come on, along with the signal light and the output is very distorted.
It sounds like the final amplification section is OK now. I'd be looking for a noisy transistor or transistor pair at the "front end" of the unit. There may also be a shorted coupling cap between the stages. If you can Email me the schematics, I can provide more details.
Posted on May 27, 2009
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Posted on Jan 02, 2017
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