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Here is what I have been thinking for a whale: how bad electricity impacts our long term judgment about the design decisions. Pretend we have a DSET amplifier and a speaker channel and we have a task to load the DSET’s plate properly. The proper loading of DSET with the given speaker is a satiation when the DSET/speaker combo outputs acoustic-like harmonic structure under wider circumstances. I intentionally simplify the things, bare with me….

Now we have a SET, driven explicitly from bad electricity source. In case of bad electricity the sound got compressed and the flatten MF presses the upperbass to become hard for “swallowing” as it rise acoustic pressure before it rises tonal pressure. To “fix” it or to band-air it people tend to idle the SET’s plate slightly more than they would do with good electricity as the increase transients make people to feel (mistakably) that they got some dynamics, brilliance, vividness back.  The SET loading is done and the sound let pretend is OK. Then we clean up electricity with some kind of devise, let say regenerator.  The dominance of pressure over tone is gone and the need to under-load the SET’s plate is not there anymore. However, the amp, driven from good electricity, is still loaded as it would be for bad electricity – with excessive amount transients and inadequate harmonics. This make us to feel that the power curing devise (let say a regenerator) make sound “sharp” and screw up harmonics but in reality it also might be just a signature of overly ideal plate.

The people who understand what I say would know that I slightly twisted some things but I did it for the sake of illustration of the concept. I do not feel that what I describe before is the ONLY explanation and some power curing devises do screw up harmonics but the above mentioned effect ALSO takes place and shell be considered. I do not know what the percentage of mistaken assessment is made die to the bad electricity have imbedded itself into the common audio judgment, it might be 10% or it might be 80%. But I do feel it is there…

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