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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: Questions about 6BG6G amp build (schematic) Grommes 216BA posted by PeterI on May 22, 2017 at 21:02:33:
I trick I have used when lacking a bias tap is to use a reversed filament transformer.
Take a 12vct unit, 100ma is more than anough, and hook the centertap and one of the secondary legs to your filament buss. This will give you 60vac to play with for the bias supply.
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Follow Ups
- Bias transformer trick. - gusser 15:01:16 05/24/17 (2)
- RE: Bias transformer trick. - PakProtector 09:28:22 05/26/17 (0)
- RE: Bias transformer trick. Thanks - PeterI 05:56:41 05/25/17 (0)
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