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Re: Resonance contol designs

4/15/2005 10:55 PM
Eth	Re: Resonance contol designs Joe, I am not familiar with the hoffman circuit.... But I do know what you are talking about! Could it be that the Hoffman uses EL34's? And the 5150 uses 6L6's? Because EL34's have a higher transconductance than 6l6's, the negative feedback resistor would be larger ... comparatively. I actually like a marshall PA, with EL34's and a feedback resistor smaller than 100K! Later, Ethan

4/15/2005 10:55 PM

Eth

Re: Resonance contol designs

Joe,
I am not familiar with the hoffman circuit.... But I do know what you are talking about! Could it be that the Hoffman uses EL34's? And the 5150 uses 6L6's? Because EL34's have a higher transconductance than 6l6's, the negative feedback resistor would be larger ... comparatively.

I actually like a marshall PA, with EL34's and a feedback resistor smaller than 100K!

Later,
Ethan