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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Re: Try a 12A4 posted by calico on March 26, 2007 at 18:16:47:
12A4 sounds like a 12B4 - same family
Use the same circuit as the 12B4.
ATC = Autotransformer Volume Control
Edcor makes a cheap one :
http://www.edcorusa.com/products/transformers/ex/ex-103.html
Dave Slagle and Silk make good ones :
http://www.intactaudio.com/
http://www.sacthailand.com/
depends where you are ...
As far as schematics - what is you 12B4 design?DanL
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Follow Ups
- Re: Try a 12A4 - danlaudionut 18:25:29 03/26/07 (3)
- Re: Try a 12A4 - calico 18:41:19 03/26/07 (2)
- Re: Try a 12A4 - danlaudionut 18:58:41 03/26/07 (1)
- What current? - Salectric 10:37:32 03/27/07 (0)
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