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RE: the new breadboard is earning its keep

Hence the benefit of driving it with a transformer secondary. Idle current will be an issue if going SE then. Going PP side-steps most of that. But it still needs some power input; as in low impedance, and significant voltage swing.

Best I have come up with for biasing is a variac on the primary of the plate Iron to adjust B+ since I don't want any resistance between the grid and ground.
cheers,
Douglas

Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.

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  • RE: the new breadboard is earning its keep - PakProtector 05:20:46 08/12/20 (0)
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