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Old 2nd July 2014, 05:19 PM   #3571
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Old 12th July 2014, 08:38 AM   #3572
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mosfet amplifier with IRFP250 in quasi, IRF510 VAS
75W@8ohm, 150W@4ohm
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Old 12th July 2014, 08:25 PM   #3573
Bensen is offline Bensen  Belgium
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Irf510 for the VAS...interesting.
Can you show us the schematic?
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Old 12th July 2014, 11:24 PM   #3574
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Quote:
Originally Posted by Bensen View Post
Irf510 for the VAS...interesting.
Can you show us the schematic?
here is the schematic and layout attached
and picture of 2 modules integrated with tone control under testing
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File Type: jpg CAM00328_3.jpg (198.5 KB, 713 views)
Attached Files
File Type: pdf schematic.pdf (58.4 KB, 157 views)
File Type: pdf layout irfp250.pdf (80.0 KB, 61 views)

Last edited by greenocean; 12th July 2014 at 11:52 PM.
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Old 13th July 2014, 02:24 AM   #3575
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I still have a problem, in simulation I got bad THD at 20kHz
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Old 17th July 2014, 03:40 PM   #3576
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Default A very nice Dx Blame ST power amplifier built by

Carlos Max Andres, from Brazil.

All parts included in kit of pcboards...brazilians joined into Brazilian group buy and also ordered Heatsinks, transformers and all stuff.

Kit included surge protection, speaker protection, power supply pcboards and audio amplifier pcboards...no more kits remaining...this happened a long time ago.

Showing you, with pride, because my birthday celebration today.

regards,

Carlos
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Old 17th July 2014, 03:59 PM   #3577
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Happy Birthday Carlos!
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Old 17th July 2014, 05:01 PM   #3578
Bigun is offline Bigun  Canada
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Happy Birthday man!
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Old 17th July 2014, 06:24 PM   #3579
felixx is offline felixx  Romania
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H.P.B. and quality audio time.....
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Old 18th July 2014, 06:25 AM   #3580
Mihkus is offline Mihkus  Estonia
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Alittle late maybe but Happy Birthday!
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