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In Reply to: RE: A couple of tube questions posted by Tre' on April 14, 2020 at 18:17:42
So its name says 'SET'. And uses no global NFB. Its damping factor is 8, which suggests an output Z of 1R including the DCR of the OPT secondary.
9W is in between what you'd get in A1 triode, and what's available with UL and pentode. I have no trouble believing that they are taking descriptive liberties with their ad copy. It is just a matter of what exactly they are up to...LOL
cheers,
Douglas
Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.
Follow Ups:
"I have no trouble believing that they are taking descriptive liberties with their ad copy."
That makes two of us.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
I can envision a circuit that would do well I think. A cascade of the 6H30 sections; first running open-loop, and the second getting plate-to-cathode FB from the final. Picture half( or one phase-worth) the RCA SP10 circuit, but swap the 6AU6 for a section of the 6H30 and adjust the resistor networks to deal with a proper OP and FB level.
I suspect it will sound pretty fine, especially given the SP10's performance. Best sounding off-the-rack amp I have heard so far.
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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