Tube DIY Asylum: RE: Which simple 2A3 SE schematic?...yes I know it´s a stupid question... by artsybrute Do It Yourself (DIY) paradise for tube and SET project builders.

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Posted by artsybrute (A ) on February 10, 2010 at 17:26:26

In Reply to: Which simple 2A3 SE schematic?...yes I know it´s a stupid question... posted by Fente on February 10, 2010 at 09:07:45:

If you have the HT, try direct coupling the driver to the 2a3.

I don't know of any schematics that are not someone else's intellectual property. My 2a3's were originally Bottlehead kits, so the design belongs to them. But they sound a lot better (smoother) than the cap coupled ones I built with basically the same iron.

Others like cap coupling for the power.

Maybe try back issues of Valve, Sound Practices, Glass Audio, and the other mags from 90's.

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