Tube DIY Asylum

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

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if you want to have some fun...

Posted by PakProtector on June 24, 2017 at 16:25:18:
Try drawing a 5k SE load on an HY51A's plate curves. Idle point at g=0V, 100 mA( around 590V at the plate ). Take a look at what +/-30V of grid voltage will do for you...:)
cheers,
Douglas