Speedskater
Major Contributor
Measurable with very sensitive test equipment and at very low frequencies (say 20 Hz and below).
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respice finem
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Or for crystal meth and such 
A fuse can totally impact sound quality...
If it blows when it should, or doesn't blow when it should.
If it blows when it should, or doesn't blow when it should.
My amps need Audiophile Circuit Breakers.
Or maybe they already have them!
I can't say I've seen any advertised.
Yet another business opportunity abandoned by the wayside.
Or maybe they already have them!
I can't say I've seen any advertised.
Yet another business opportunity abandoned by the wayside.
That's not what they're for there. It's the sound!
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yeah, that's my concern, too!
N.B. the image above is not from any of the California wildfires or any actual conflagration. It's an artist's image. Even my glibness has limits.
Burning House - Mattie Foster
Acrylic painting of a house engulfed in flames. - Burning House
caught gesture
Addicted to Fun and Learning
QSA Audiophile Circuit Breaker
Power conditioning begins at the breaker box, and there is no better-sounding circuit breaker than the QSA audiophile circuit breaker.
tweekgeek.com
Doepke - residual current circuit-breaker DFS 4 063-4/0,03-F R Audio
Residual current circuit-breakers, four-pole, 63 A, 0,03 A, Type F, for audiophile applications, N right (09144847)
Not sure if there are as such, but certainly there will be some that your local hifi shop might recommend if they are anything like mine.
Back in the day (in the UK) it was Crabtree plugs and sockets pushed by my local retailer. To be fair when you compared them to some of the competition they did seem to have slightly more contact areas and better quality wire connections and given they cost pennies more than other alternatives then why not…..of course I couldn’t tell any difference myself but for the cost involved and clear quality if wasn’t much of a gamble.
They also recommended Electric consumer units but I wasn’t prepared to change mine - again you could make a case for some over others simply based on build quality, size of Bus bars/terminals etc….again whether any feeds to improved audio is unlikely even if tiny amounts less noise might be achievable at the plug.
Of course you'll need audiophile house wiring. From the 'Extreme Snake Oil' thread.... 
But did he use audiophile Romex?
Enjoy the Music installs and reviews 35 feet of audiophile ‘non-metallic sheathed electrical cable,’ often called Romex (a brand name), in the USA at least. The cable is called ‘Audience Hidden Treasure In-Wall AC Power Cable.’ This is indoor house wiring, btw.
The reviewer replaced 35 feet of cable for a 30 amp circuit in his home, and therefore used the “10/3” spec, with three 10 gauge conductors and a ground wire. The 35 feet cost $710, or $20.29 per foot. Standard 10/3 Romex from Home Depot costs $149 for 50 feet, or $2.98 a foot. 250 foot reels of Romex go for $1.60 per foot.
The cable he replaced was 20 year old audiophile Romex, 'JPS Labs In-Wall AC line.' The sound comparisons he makes are to this audiophile wiring, not just generic Romex.
Apparently, some additional features are added to the cable over standard Romex. “In addition, there are three synthetic strands that act as spacers to improve the resistance to vibration and crushability of the cable… And finally, the labeling on the cable reads in the direction the cable should be installed going from the breaker box to the duplex outlet.
This is no ordinary AC power cable. The excellent construction is merely the jumping-off point for the addition of cryogenic treatment and application of their secret sauce: ‘The cable is treated by our proprietary EHVP, which applies extreme high voltages at specific pulse modulations, frequencies, and amplitudes in differing ratios. This very special process creates predictable paths through the crystalline grain structure providing continuity and integrity to the AC signal.’
This sounds a lot like what Ted Denny does with his Synergistic Research cables that are the bedrock of my system."
Since this is Enjoy the Music, he finished off the project with a 20 amp Audience audiophile duplex wall receptacle @ $199 (Home Depot ~$5), and a Synergistic Research (SR) carbon fiber wall plate @ $149 (Home Depot plastic ~$1), along with a ‘standard’ 30 amp breaker (~$7 Home Depot). To quote the author, “so maybe $1200 in material for a 35' run. That's less than half the cost of a 1m pair of interconnects in my rig.” Home Depot materials would be ~$162, with 15 feet of extra Romex.
He did the project himself, of course. “I've learned how to install circuit breakers and connect lines in the breaker box by watching YouTube videos. More people in my town die from gun violence than from electrocution.”
FYI, his audio system uses SR cables, with power cords @ $2500 each, interconnects $700 a pair, and speaker cable $750 for an 8’ pair. He didn’t elaborate how many of each he owned.
He let his house wiring burn-in for 2 weeks before he began ‘critical listening.’ “The improvement was very evident in the shimmering cymbals, greater PRAT, improved resolution and a greater separation of instruments… There was an impressive jump in transparency yielding more presence in the room as if more light had been shed on the soundstage… There were noticeably greater dynamics (suggesting a lower noise floor).”
“With the combination of Hidden Treasure In-Wall cable, duplex outlet, and Synergistic Research carbon fiber cover I was getting the best sound ever out of my rig. But let me advise you that I had to fine-tune this combination by adjusting the screw holding down the Synergistic cover. Too tight and it over-damps the sound. Too loose and you're not getting the sound quality that you paid for. Just snug seems to be about right.” References to the Goldilocks tale seem appropriate.
“The dedicated line will improve the sound of your entire system. And it will likely serve you for the rest of your tenure in your home. It's not like other cables that are constantly improved every few years.”
Enjoy The Music reviews rate ~18 categories of ‘sound.’ The reviewer gave 5 of 5 (perfect) ratings for 15. He felt the cable only achieved a 4 of 5 in: “soundscape width rear; soundscape extension into room; emotionally engaging.” Evidently, the ‘Audience Hidden Treasure In-Wall AC Power Cable’ still has room for improvement.
I think I need a shower…
respice finem
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Spray cans with magic water to repel the room modes 
Or a solution "for real men" - TNT, to do away with those pesky walls
Or a solution "for real men" - TNT, to do away with those pesky walls
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Speedskater
Major Contributor
As to circuit breakers in the USA. NEC & UL have very demanding rules & regs for circuit breakers. Circuit breakers have to be tested (very pricey) and then listed, as to what breaker panels they may be used in. Each panel manufacture may have different requirements for their panels.
Next up; a better sounding 'lectric company!QSA Audiophile Circuit Breaker
Power conditioning begins at the breaker box, and there is no better-sounding circuit breaker than the QSA audiophile circuit breaker.Doepke - residual current circuit-breaker DFS 4 063-4/0,03-F R Audio
Residual current circuit-breakers, four-pole, 63 A, 0,03 A, Type F, for audiophile applications, N right (09144847)www.doepke.de
I think I am going to check with my electric supplier to see if they have an audiophile grade electric I can have delivered.
Git 'er done!
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