Proves he is an idiot! From Facebook:
Power Conditioner Audio [Does It Improve Sound Quality?, updated 2020/04/17]
A power conditioner or purifier is one of audiophile equipment, that may be demonstrated the easiest way (watch the video in the article). But, does the device improve sound quality? Read below what happens inside musical apparatus with and without the device, how to find the best conditioner for your...
Comments
Ethan Winer
Ethan Winer I agree with your conclusion that buying a "power conditioner" product is a waste of money. But the very last part, the conclusion, is all that's really needed.
I also agree with your point that the correct place to measure is at the output of the audio device. This proves the dishonesty of "power" product sellers, because they never show that!
Like
· Reply · 10h
Yuri Korzunov
Yuri Korzunov Power supply, shielding, grounding are sophisticated matters, that require manual adjusting under permanent instrumental control. And point of measurement is the main key!
Ethan Winer
Ethan Winer Yes, though most of this things don't matter. Even shielding has little effect for most line level outputs because they're low impedance. Shielding does matter with very low level high impedance outputs, such as a piezo acoustic guitar pickup.