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Valve Itch phono
Valve Itch phono
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Old 10th August 2011, 03:50 PM   #411
merlin el mago is offline merlin el mago
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Thanks for your work Fran
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Old 10th August 2011, 09:25 PM   #412
woodturner-fran is offline woodturner-fran  Ireland
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Another proposal. I know people may want to try different capacitors for the RIAA section, and you may have your own ideas about what you want. But most will agree that there should be good matching between L&R channels. There are 2 caps involved, 15nf and 47nf.

If prospective builders could get together, it should be possible to get either the seller to match pairs or buy a surplus amount and match them...... There's probably only 3 or 4 people here right now who are building or near building.... but it might be enough. If you could find a russian ebayer with all of the types of caps needed, they might do a deal for a 2% matched pairs of 47nf and 15nf and non-matched sets of the other caps needed for everything else for a single shipping price.

Just suggesting it!

Fran

Last edited by woodturner-fran; 10th August 2011 at 09:28 PM.
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Old 10th August 2011, 11:31 PM   #413
RCruz is offline RCruz  Switzerland
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That might be a very good idea... I am testing the FT-1 for the 15n placement with outstanding results but all values I got are 15.7n and higher. I wish I could have some 15.1nF and 15.3nF to test.

I do not know if any of the russian suppliers is dependable enough to do such a matching but I will ask.

There is another (American) supplier that also provides Teflon caps... Merlin... Can you help ?
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Old 13th August 2011, 09:59 AM   #414
merlin el mago is offline merlin el mago
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Ricardo, ask Marko matched pairs (shop 33Audio).

Site: Surplus USA Film Capacitors Teflon Polycarbonate Polyester Polypropylene

E-mail: marko@33audio.com

15$00 USD each

Cheers,
Felipe
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Old 13th August 2011, 11:33 AM   #415
RCruz is offline RCruz  Switzerland
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Old 13th August 2011, 11:52 AM   #416
Salas is offline Salas  Greece
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Those are listed as 100-200V capacitors by majority. Not enough for the Itch. I have warned before.
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Old 13th August 2011, 01:25 PM   #417
woodturner-fran is offline woodturner-fran  Ireland
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$15 each is very pricey. I would have thought you could get a russian seller to do all the caps for the itch for about that price, maybe plus shipping.


Fran
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Old 13th August 2011, 02:14 PM   #418
RCruz is offline RCruz  Switzerland
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These are not russian NOS caps.

They are USA surplus.... I did not try them but Merlin aproved
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Old 13th August 2011, 02:31 PM   #419
merlin el mago is offline merlin el mago
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Quote:
Originally Posted by Salas View Post
Those are listed as 100-200V capacitors by majority. Not enough for the Itch. I have warned before.
Sorry you are right, I forgot HV for Itch RIAA, but for 15nF Marko has 0.015uF 10% tol. 400V, TexCap 200GGS.

Last edited by merlin el mago; 13th August 2011 at 02:35 PM.
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Old 13th August 2011, 02:36 PM   #420
merlin el mago is offline merlin el mago
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Quote:
Originally Posted by woodturner-fran View Post
$15 each is very pricey. I would have thought you could get a russian seller to do all the caps for the itch for about that price, maybe plus shipping.


Fran
That's sound interesting offer let us know?
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