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In Reply to: RE: Huh? posted by gusser on March 22, 2017 at 13:31:04
Many of us have...but that does not imply that the theory is therefore 'dead on.'
A 4-tube bridge of mercury vapor rectifiers operating into an L-filter sounds best 99.9% of the time.
Does this comply with your theory?
We know the MV rectifiers have the lowest voltage drop of any tube rectifier. So we then know we will get a stiffer supply.
It a well known fact that tube rectifiers in power amplifiers sag. This modulates the audio signal. The less voltage drop, the less sag.
Now you can have RFI problems with MV tubes, but that can be remedied as you probably have done.
If one wants to keep in the technical realm the MV tubes have a constant voltage drop independent of current so unlike traditional diodes (both solid and hollow) they do not provide sag.
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