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


Since you expressed interest in the Tubelab site, you might like to investigate Powerdrive which is relatively easy to implement and would fit in better with your lowish B+. You might remember my GK-71 amp which uses Powerrdrive. It also uses high frequency AC heating that was the subject of a long thread. That a look here to refresh your memory.




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  • powerdrive - RayP 17:09:49 02/11/19 (1)


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