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Do It Yourself (DIY) paradise for tube and SET project builders.

Yes, could not have done it without you!

The thing is dead quiet, the Coleman regs with the filament bias are incredible. Paul sprung for the Lundahl output transformers and I added a source follower B+ circuit. I just upped the voltage to 180 and the current draw to 6mA an it is perfect. It is so fun when the work results in something special.


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  • Yes, could not have done it without you! - Chip647 19:45:10 04/01/14 (0)

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