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Old 5th December 2010, 04:58 PM   #1
h_a is offline h_a  Europe
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Default matched Fets for your F1, F4, F5, Aleph J...

Winter arrived and what heats more lovely than a fet-amp?

Again I can offer matched fets for your building needs, that is:

IRFP240
IRFP9240

Pairs/triples are matched within 10mV, though usually tolerance is quite below that. All fets of each type are from the same lot.

Currently I also have some N-to-P matched fets, please mail me if you want such a thing. Of course if you need other quantities also simply shoot me an email.

Price is 6.5 Euro per matched pair and 9.80 Euros for a matched triple.

Have fun, Hannes

Last edited by h_a; 5th December 2010 at 05:16 PM.
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Old 10th December 2010, 04:41 PM   #2
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Just a short note: I misread my post-its, accuracy is 10mV per pair and 20mV for triples/quads...exactly same tolerance as in the genuine F4 and much tighter than Nelson's regular recommendation of 100mV
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Old 20th December 2010, 08:46 AM   #3
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Just to avoid further misunderstandings: I'm sorry but I cannot carry the paypal-fees.

I offer paypal as additional service, there are others like bank transfer or moneybookers, I even accept cash in a letter, so please understand that corresponding fees are not included in parts price.

Thank you.
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Old 31st December 2010, 02:00 PM   #4
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As sextets are well asked for currently, these I can offer for 21 Euros (closely matched sextets need quite some fets) for either IRFP240 as well as IRFP9240.

Thanks!
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Old 31st December 2010, 04:19 PM   #5
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Quote:
Originally Posted by h_a View Post
Winter arrived and what heats more lovely than a fet-amp?
Tube-amp, my dear friend Hannes! (F.E. with 6c33c-b)

BTW: for a long time I didn't hear from you...


Am Ende: Wünsche dir einen langen, hohen und vor allem einen sicheren Rutsch ins Jahr 2011!

& for fun! (von Nachbarn)
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Old 31st December 2010, 06:42 PM   #6
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Quote:
Originally Posted by h_a View Post
As sextets are well asked for currently, these I can offer for 21 Euros (closely matched sextets need quite some fets) for either IRFP240 as well as IRFP9240.

Thanks!
Are sextets 6 of the same model matched between each other?

Regards,
Regi
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Old 1st January 2011, 11:22 AM   #7
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Dear Janko,

it's really nice to hear from you again - it's been a long time and a lot changed on my side.

Funny that you mention tubes, you know I'm not a bottlehead, however, I just recently discovered a nice line-level/headamp tube amp, so that might change a bit

I hope you and your family are well, alles Gute, viel Gesundheit fürs neue Jahr!
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Old 1st January 2011, 11:29 AM   #8
h_a is offline h_a  Europe
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Hi Regi,

I guess you mean wether I can offer IRFP240 that are matched to the IRFP9240?

Well, yes and no. I can offer at the moment N to P matched fets that are reasonably close (200mV), however, N-fets are technically different from P-fets (different transconductance, different mobility), so genuine matching is not really feasible.

Have fun, Hannes
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Old 1st January 2011, 05:48 PM   #9
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Not really, I was meaning the opposite. If you were offering 6 matched IRFP240 OR 6 matched IRFP9240
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Old 1st January 2011, 06:04 PM   #10
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Ah I see!

Dear Regi, I offer both

You can have 6 matched IRFP240 or 6 matched IRFP9240...or any matched quantity or combination of these fets that you might need.

Have fun, Hannes
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