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In Reply to: RE: I Think They're Requisite for Good Sound...... posted by Todd Krieger on June 24, 2016 at 01:36:23
Inmate knewton is on the right track by asking him for more information rather than jumping to any premature conclusions.No properly functioning audio system should create digital noise in his speakers unless something is grossly wrong, whether he runs a power conditioner, power strip, or isolation transformer.... or not.
Such devices might seem to 'cure' his problem, but this problem should not exist at all in the first place.
My 2-cents worth.
Edits: 06/24/16 06/24/16Follow Ups:
"No properly functioning audio system should create digital noise in his speakers unless something is grossly wrong, whether he runs a power conditioner, power strip, or isolation transformer.... or not."
What constitutes "properly functioning"?
Unless the product itself is designed with built-in mains isolation, I don't know of a digital audio source that doesn't add hash to the mains line. Whether it's "properly functioning" or not.
We can have faith that our digital sources don't put noise back on the mains line. But in my opinion, this tweak option doesn't hurt anything. (Except for a small ding to the pocketbook.) So this really isn't an issue at all.
Some folks may misunderstand the nature of various types of noise and associated power line filtering goals, in that digital noise, RFI, and EMI do not always tend to be audible in a gross manner, such as something one can identify or obviously point-out like audible high frequency hash or hiss, radio station broadcasts, and audible hum.
What is most beneficial about power line conditioners is addressing more subtle noise issues that are not so easy to identify, which pollute electronic parts/circuits in a manner that degrades the performance of those electronic parts/circuits performance rather than eliminating grossly audible noise artifacts. This is to say, even if you cannot hear any identifiable sounds that appear to be noise, the primary function of a power line conditioner is to allow electronic parts/circuits to function without a level of detrimental operational effects caused by more subtle noise issues that raise the noise floor.
As for isolation transformers, one might find a lowered noise floor at the expense of a degraded sonic signature caused by the isolation transformer itself, which is why isolation transformers intended for non-audio applications are not so popular with audiophiles. Like many things pertaining to audio gear, sonic trade-offs are often inevitable.
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