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Old 21st August 2007, 12:08 AM   #1
Jeb-D. is offline Jeb-D.  United States
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Default Boosted Triode mode?

Anyone tried this? Looks interesting, but you you would need more iron on the amplifier
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Old 21st August 2007, 01:52 AM   #2
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Here's some more boosted triode results. No need for more iron and done heretical

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Old 21st August 2007, 02:28 AM   #3
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When I first saw the article in EDN I was skeptical, so I tried it. The result? A fried 6L6GC. The author of the article "built" the circuit in a simulator. The simulator may not "see" the glowing screen grid. See post # 18 in this thread:

Triode Trick


6L6 Design in EDN Mag


Tube article in EDN

I believe that Geeks "boosted triode" is a different design, similar to what I called "dual drive" where the screen and control grids are both driven (at different DC potentials). It works, but the results are dependent on the type of output tube.
Tubelab, it's 5 year mission. To explore strange new tubes, to seek out new circuits and topologies, to boldly go where no tube has gone before......
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