Matched FETS for F3, F4, Aleph-X, etc... - Page 3 - diyAudio
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Old 10th November 2007, 09:19 AM   #21
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You don't need 6 FETs matched for F4, 2 groups of 3 will be fine.
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Old 10th November 2007, 09:35 AM   #22
Magura is offline Magura  Denmark
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Quote:
Originally posted by Landoctor
Exactly. I don't know if you've ever tried to match FETS, but it takes quite a large amount to come up with closely matched sets.
Straight out of the tube, the closest I've had a set of 5 was ~90mv. the average is ~150-180mv. So you would need to buy way more than you need to get matched sets for your amps.
I can offer matched sets because I buy 500 FETS at a time. When you have that many, it isn't too hard to come up with very closely matched sets.
Thanks,
Donovan

The fact that you run this as business is something to be discussed elsewhere (and trust me it will be), but don't talk :bs:

I have matched more fets than most around here ever will, and it is simply not true that you can't match your fets yourself, without having to buy very many, or end up with lots of single fets that don't match.

Out of a tube of 25, you will end up with maximun 2 or 3 that does not fit in, and those are fine for the CCS.

Around here IRFP240 is around 1.5$ and I'm sure they ship worldwide.

Magura
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Old 10th November 2007, 01:22 PM   #23
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Quote:
Originally posted by Magura


Around here IRFP240 is around 1.5$ and I'm sure they ship worldwide.

Magura
$1.498 @ quantities of 1,000 --
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Old 10th November 2007, 01:33 PM   #24
Magura is offline Magura  Denmark
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Quote:
Originally posted by jackinnj


$1.498 @ quantities of 1,000 --

Naah, as I recall Steenoe bought only 100 to get them at that price

Anyhow, if its 1.498 or 1.7 is not really the issue.

Say after me: Vendors Bazar


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Old 10th November 2007, 04:08 PM   #25
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Nobody ever said you couldn't match FETs yourself. How many people do you think are actually going to buy a whole tube of FETs to build an amp? Not very many if you are honest with yourself.

How closely matched are you talking when you say a tube of 25 gets you only 2 or 3 that don't fit in?!?! Not ANYWHERE near what I am trying to match to. I have told numerous customers of mine that Nelson recommends matching to .2v and .1 "if you can", but people still want extremely closely matched sets.

Do you really think people don't appreciate the service offered here? Do you wind your own transformers for everything???? Shti, wire and cores are CHEAP! Why would you ever consider buying a ready made model????

I am not a business, I started doing this so I could afford to stay in this hobby after having our son. Do you really think this is making serious money and letting me live a lavish lifestyle?!?!?

It seems if you are not in the "circle of friends" here, you are immediately shot down. I have worked my butt off to make sure people got the matching they asked for with immediate shipping and have received great feedback from my customers stating that they were very happy with the service. There are always seems to be the naysayers that can't let anyone else make a difference or provide a service without making it a national affair.

Thanks for your help with this. I'm sure you saved a bunch of people from getting "taken" with some close matched, quick shipped FETs.

Thanks,
Donovan
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Old 10th November 2007, 04:13 PM   #26
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Arild,
You need to enable your e-mail settings in your profile, under options.
You can e-mail me at Lan.doctor **at** gmail **dot** com if you are interested in the FETs.

Thanks,
Donovan
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Old 11th November 2007, 12:25 AM   #27
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Default Thank you...

FETs arrived safely today. I'm looking forward to installing them!

tim
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Old 12th November 2007, 03:20 PM   #28
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Thanks Tim!
I appreciate it.

Donovan
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Old 13th November 2007, 04:56 PM   #29
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Thumbs up Aleph J

New sets are ready for the Aleph J.
I have put together 10 sets for the Aleph J last night and they are ready to ship.
Please e-mail for details.
Thanks,
Donovan
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Old 14th November 2007, 09:19 AM   #30
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