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In Reply to: RE: Fuse make wild differences in sound I cannot believe it posted by used-hifi on April 24, 2017 at 13:45:42
The established fuse manufactures such as listed in this thread all have UL and other world safety certification for their products. There is also a lot of physics and engineering that goes into a so called cheap fuse. The blow time for example. The ability of the casing to withstand exlposive energy such as a 1,000 amp surge - yes that can happen.
Now do these tiny garage operations making audiophile fuses have these certifications? Have they done the engineering and research to ensure their product offers the protection it is sold to provide?
If all that matters is the ultimate audio quality, then why not just buy some 1/4 inch copper rod and snap it in the fuse holder. Better yet just cut out the fuse holder and solder around it - no need for those nasty fuse contacts in the way of audio nirvana. When the gear burns up possibly taking your house with it, well just tell everyone it's all about audio quality, nothing esle matters.
Seriously, the fuse is there for the protection of the product and beyond meaning personal safety. Why compromise that with un-tested and un-certified after market components?
Edits: 04/26/17Follow Ups:
The Audio Magic fuses that I use are standard UL-approved fuses. A hole is drilled in the case to introduce two kinds of damping ingredients: some sort of powder to reduce RFI/EMI and beeswax to reduce mechanical vibrations.
I do not know if or how these ingredients affect the safety performance of the fuse. I have had no problems so far.
They sound better to me than the stock fuses did. I started with one Audio Magic fuse to check it out and ended up replacing fuses in several components. I have not tried other "boutique" fuses.
Have you ever compared fuses in your equipment?
The notion of a fuse sounding like anything is beyond some folk's comprehension. Every bit of wire and anything else in the signal chain including upstream AC delivery makes a difference, one way or another.
So when it comes to power stations, is there any consensus? Is Nuclear better than Coal, or does Hydro beat both? How about Solar (for daytime listening I guess).
Downstream power supplies react to local AC delivery systems in a manner that audiophiles can try to address. End-users have no control over the quality of upstream power stations.
They could move to a location where the power comes (predominantly) from the preferred power station type...just that there doesn't seem to be a consensus. Do hydro power stations give a more fluid sound? Are coal fired too dark? Perhaps nuclear has the best bass?
Hey, I really like that graphene stuff. Got the email last night about the updated application instructions. Thanks for sending that. The foam tipped lip brush seems by far the best tool to apply it with ... at least that's been my experience so far.
If you are being serious, I don't understand.
I'm pretty sure he's yanking yer chain, Duster. That Mad Scientist has demonstrated a sense of humor before. I could be way off base, but I chuckled at his first post.
Agree that a fuse has specific characteristics which the product designer used to decide what sort of, and what value fuse to use in the component to protect that device.
Even the same sort of cheap standard fuse CAN SOUND BETTER if you increase the size or amp rating/load it carries before blowing. (And IMO, plenty of the audiophile aftermarket use THAT characteristic to sell 'better' sounding fuses) problem is that also defeats the basic protection. Now in fact the bigger rated fuse may also be capable of protecting the item.. But it is taking a chance the designer did not want to take.
On the other side no one is screaming about how their XYZ blew up and turned to ashes due to the aftermarket fuse not protecting it..
So the whole thing may be of no importance.
"On the other side no one is screaming about how their XYZ blew up and turned to ashes due to the aftermarket fuse not protecting it..
So the whole thing may be of no importance."
Of course an ounce of prevention is worth a pound of cure. This is Gusser's point although the poobahs seem to want to dismiss it and extol the virtues of their tweeks.
although the poobahs seem to want to dismiss it and extol the virtues of their tweeks
Has anyone produced any evidence that "audiophile" fuses do not comply with the relevant regs? I've not seen any or read of anyone bothering to show it to us poobahs.
After all, if one were wanting to sell such devices, who else would one ask to manufacture them other than, er, recognised makers of consumer-grade fuses? They have the machinery, they have manufacturing experience and they'll have forgotten more about fuses than the rest of us ever want to know. "Yes, of course we can make better fuses and if you stay for lunch I'll explain why but we can't do it at those prices. You're talking of maybe £1 a unit even in bulk. It's as easy as falling off a log but it isn't cheap."
The offer a 'rating' as a statement. With no effort to show the fuses were ever tested bu any certification process.
So you basically take the aftermarket fuse makers 'word' that they are as claimed.
On the oter side, as I mentioned, over value fuses usually still protect stuff just fine.
And one of my points was that just sticking a larger value commercial fuse does the same wonder improvement for a fraction of the price.
So my thought is.. All the fancy fuses DO is insert a bigger actual value, and charge 50 times the price.
Since they do not have the fuses tested to prove they are the value claimed... Maybe I am right?
" over value fuses usually still protect stuff just fine." Get ready for the firestorm #5. You sure about that? There's plenty of folks around here that don't like that kind of talk. Maybe they're right. There is one thing for sure,they will protect stuff just fine if nothing goes wrong. T456
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