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Old 23rd September 2011, 08:26 AM   #1
steve_v is offline steve_v  New Zealand
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Default Wanted: Behringer Europower EP2500 Schematics

I have sheet 1 of 3, anyone got the rest?

Cheers,

Steve.
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Old 30th September 2011, 12:31 PM   #2
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good day ,.TRY AUDIO CIRCUIT DENMARK
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Old 30th September 2011, 11:33 PM   #3
Enzo is offline Enzo  United States
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And Electrotanya

And when you google it, don;t stop at the first page, sometimes what you want doesn't turn up until page 5 or 6.
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Old 1st October 2011, 05:28 AM   #4
thejohn is offline thejohn  South Africa
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Hi Steve, Hope this is what you're looking for...
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File Type: zip Behringer EP2500 Schematics.zip (199.1 KB, 260 views)
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Old 30th October 2011, 07:10 AM   #5
steve_v is offline steve_v  New Zealand
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Thanks muchly, but still no joy getting the thing to go.

Seems I still have no +15v rail (after replacing the obviously cooked parts in the muting / thermal circuit)
It would appear the +15v rail is being pulled down somewhere but buggered if i can find it.

Anyone worked on one of these?
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Old 23rd June 2012, 01:02 PM   #6
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I'm working on one now, where the main power transformer has died. I know this because (a) the primary mains winding shows under 0.02 milli-ohms on my low-res ohm-meter (that#s about as low as it'll reliably read), and a 60 watt light bulb glows strongly in series with the AC mains input. Does anyone know where I could get a spare transformer for little money? It has four separates secondaries of 0-55-110 volts each, a rather strange design but I can see why it was done.
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Old 9th September 2012, 06:33 AM   #7
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hi daviddavis, have you tried powering up , without the load on the transformer?
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Old 9th September 2012, 11:14 AM   #8
djk is offline djk
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15V problem?

Did you check the zener diodes and the opamps?
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Old 9th September 2012, 03:38 PM   #9
wg_ski is offline wg_ski  United States
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Quote:
Originally Posted by daviddavis View Post
Does anyone know where I could get a spare transformer for little money? It has four separates secondaries of 0-55-110 volts each, a rather strange design but I can see why it was done.
You get one from another amp that everything else is blown up in except the transformer. You need the exact winding configuration or it won't work. Good luck with that, other than something designed for a similar amp - and they will probably want $300 for it. The closest possible off the shelf kludge would be *four* 40-0-40's (55/110 is the DC voltage), and that probably won't fit and will still be expensive. If you were cloning the amp, and could get 40-0-40's cheap that's how I would do it.
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