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Old 31st July 2011, 11:30 PM   #1
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Wink 250W amp with IRFP240 & IRFP9240

Hi

do anybody has a schematic of an amplifier with IRFP240 & IRFP9240 ??
the power I'm looking for is around 250W
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Old 31st July 2011, 11:36 PM   #2
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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.
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Old 1st August 2011, 07:16 AM   #3
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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.

Last edited by meanman1964; 1st August 2011 at 07:21 AM.
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Old 1st August 2011, 08:08 AM   #4
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Hi,
maybe you can be inspired by http://www.hafler.com/techsupport/pd...00_amp_man.pdf

Regards,
Frédéric
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Old 1st August 2011, 08:24 AM   #5
AndrewT is offline AndrewT  Scotland
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250W into what?
2r0, 4r0, 8r0 resistors, 2ohm 4ohm, 8ohm speakers
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regards Andrew T.
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Old 1st August 2011, 09:46 AM   #6
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Here it is
Attached Images
File Type: jpg Mosfet amp.jpg (263.8 KB, 392 views)
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Old 1st August 2011, 01:27 PM   #7
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Please, is something

Quote:
Originally Posted by Federmann View Post
B.F.
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Old 1st August 2011, 02:41 PM   #8
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Take a look at this thread:

JFET input, MOSFET VAS, LATERAL output = Perfect!!
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Old 1st August 2011, 03:06 PM   #9
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250W into 4 ohms
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Old 1st August 2011, 05:39 PM   #10
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welcome back badboy6120...
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