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Old 25th December 2011, 01:02 AM   #11
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Hey! thanks guys! now, i am asking for one last effort: where are those
power supply (cap.) boards? .
Did not find them yet.

I am going to use this opportunity to wish you all a Merry Christmas!!!..
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Old 25th December 2011, 03:25 AM   #12
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Same here, first time diyer, looking to make an F4, how do you go about making the psu. Also, which components need heat sink ?

Thank you and Merry Christmas and a Happy New Year to all !
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Old 25th December 2011, 06:28 AM   #13
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chipamp.com. bottom of site Order | Chipamp.com
it is a nice CRC/CLC PSU. it supports 6pc 40mm caps, bleeder resistors and bypass caps.
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Old 25th December 2011, 07:04 AM   #14
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http://www.kk-pcb.com

Has a few of them too.
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Old 25th December 2011, 08:33 AM   #15
generg is offline generg  Germany
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not to forget

cviller still offers F4 boards and some small other boards

PCB


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and the First Wtt is......a really First Class PSS Idea
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Old 25th December 2011, 10:11 AM   #16
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There are literally hundreds of threads about DIY builds of all the Pass DIY amps.

Heres one from last year.

Aleph 4 Strickly DIY Project Build
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Old 25th December 2011, 10:27 AM   #17
generg is offline generg  Germany
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Quote:
Originally Posted by generg View Post
not to forget

cviller still offers F4 boards and some small other boards

PCB



he was a pioneer in producing boards for F4 and F5 before the diyaudio store came up....

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Old 25th December 2011, 10:41 AM   #18
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I've never seen a bad review of any Pass DIY build.

It all depends on how much you want to spend and how confident you are.

Matching the MOS-FETs is arduous, the more you need matched, the more arduous the task. Pairs are relatively easy, Triples not too bad, The Aleph P4 uses Sextuplets - not a mean task - and you need lots of devices to pick from.

I've got 24 IRFP244s left from my matching process - anyone can have the lot for 24 GBP plus postage.

Most of them make good pairs and even triples - I will supply the data that I obtained when matching mine.
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Old 25th December 2011, 02:20 PM   #19
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why match mosfets? you can get them matced from tech-DIY.
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Old 25th December 2011, 02:23 PM   #20
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my aleph 2's are warming me right now i won't tread them for anything
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