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In Reply to: RE: LSES is 150uf per channel??? posted by gusser on March 06, 2012 at 13:06:29
that 150uf value does include the final RC stage feeding the driver, for what its worth.
I don't think Dennis uses 50uf caps (smaller I think) or that much C in his supply, but what I have seen of LSES is two LC stages, .3-.5 henry chokes and 40-50uf caps per stage.
" You had sometimes only 20-30uf and a 2hy choke before the finals. And those amps performed quite well. "
so it was ok in those amps, however presented today in a "gorilla marketing" fashion it no longer works?
I think you guys just like to argue.
Because "building amps" has become a hobby for me, and I realize I'm a "newbie"... I'll build the damn thing and listen.
I'll also build other types. Choke input (l critical), etc... not because I don't believe the doctor -because I want to learn.
as I build more I'd like to get a good understanding for how measure these things.
To me this is far more productive than arguing.
The adamant arguing against these concepts, "LSES and Modern supplies" , pretty much everything drlowmu pushes... is half of what inspired me to build the thing.
The 2a3 DC amp, with Jeff's guidance on the build .......sounds excellent to me.
However non scientific these conclusions were arrived at - they do work....at least from what I hear. Maybe measurements tell a different story. I doubt it.
Follow Ups:
Then why not listen to the people here with professional electronics backgrounds and education. Otherwise you are just hacking around. And that's fine if this is just a hobby. Some of us here however do electronic design for a living.
Like I said below, if Jeff would simply outline his circuits and tell us he likes the way that sound that would be great. But instead he has a long history here of belittling others designs and spewing out technical mumbo jumbo that is impossible under the laws of physics. I and others have explained several times what is going on with Jeff's "fast power supply" We have explained why it works on an SE amp but does not on a PP amp. We have acknowledged and accepted his description of how it sounds. I for one just don't want my power amp to play the role of a signal processor. Instead of having a technical discussion Jeff just tells us we are clueless and wrong. Yet he has no plausible technical offering himself.
This is why he gets jumped on here so much.
I did think the yahoo group was pretty funny.
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