Electronics > Projects, Designs, and Technical Stuff
What "mains conditioner" actually do?
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BravoV:

--- Quote from: james_s on December 17, 2018, 02:29:28 am ---For audio it's quite pointless though, audio amplifiers are very good at rejecting supply variation, normally the power supplies in amplifiers is not even regulated because it doesn't have to be.

--- End quote ---

The problem is, many of these goons, went thru DIY pre-amp or amplifier circuit from a decent design, or even good design, but they sort of sloppily built the power supply part with crappy design and parts, and the most funny part is sometimes they used what those people called "audio grade for golden ears" bulk caps and etc for the bulk caps on the stepped down rectified mains, wishing it will do magic.

At least here locally, the term "dirty electricity" was used oftenly when this kind of problem arise and put the blame on the mains line.  :palm:
Mechatrommer:

--- Quote from: 001 on December 16, 2018, 12:40:15 pm ---Is it myth or real impruvement? Is it simple filter or some magic gear?

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maybe you can get one and tell the story of what your ears tell you what colors?... someone tried to make a measurement device for it but as usual as most of the rest... a dead end thread (no conclusive finding).... Would this work as an AC probe?
Simon:

--- Quote from: 001 on December 16, 2018, 12:40:15 pm ---Hi

I see tales about "mains conditioner" for HiEnd audio?

Is it myth or real impruvement? Is it simple filter or some magic gear?

--- End quote ---

One answer to rule them all. It's bullshit, wankery, bollocks, fraud etc. discussion over! If you like you can buy some gold plated wire and mains plugs, but then you would be really stupid. Happens to the best, my sisters father in law has "superior" cables and thinks they make a difference. More fool him, he has the money to waste clearly.
coppercone2:
why is CVT better then a tapped transformer for long duration?

or did you just mean a UPS without a tapped transformer? Even so arent they always converting so why bother? or do you mean its more harmonically clean?

https://www.eevblog.com/forum/projects/cost-of-big-ass-constant-voltage-transformer/

they appear not to be something you want to specify off the cuff or as a 'good measure'. If you absolutely do not give a shit about any of the ridiclous downsides it might be a good solution for really high survivability. I am not even sure its durable on the long term or anything but I am pretty sure it will be a beast if you turn it on just before it needs to be used in a really dirty environment.
macboy:
People, please don't feed the trolls...
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