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badboy6120 31st July 2011 11:30 PM

250W amp with IRFP240 & IRFP9240

do anybody has a schematic of an amplifier with IRFP240 & IRFP9240 ??
the power I'm looking for is around 250W

nigelwright7557 31st July 2011 11:36 PM

Do a search of diyaudio there are loads of 240/9240 amps of various powers.

If you find one put the schematic on here so we can offer advice and possible improvements.

meanman1964 1st August 2011 07:16 AM

I do have a schematic of an amp with those fets but I can't revail the source but it's a complete working design which can work with rail supply from 20VDC~90VDC;Give me some time to scan it.I also got a SprintLayout file.

frederic75 1st August 2011 08:08 AM

maybe you can be inspired by


AndrewT 1st August 2011 08:24 AM

250W into what?
2r0, 4r0, 8r0 resistors, 2ohm 4ohm, 8ohm speakers

meanman1964 1st August 2011 09:46 AM

1 Attachment(s)
Here it is

Federmann 1st August 2011 01:27 PM

Please, is something


ingenieus 1st August 2011 02:41 PM

Take a look at this thread:

badboy6120 1st August 2011 03:06 PM

250W into 4 ohms

frederic75 1st August 2011 05:39 PM

welcome back badboy6120...

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