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In Reply to: RE: Turn it around posted by hawkmoon on January 14, 2023 at 11:21:07
Thank you all for responses!
I have visited HiFi-tuning.com, but could not find anything about fuse direction or even their own fuses...
On VHaudio, Audiogon and here on the Asylum:
https://www.audioasylum.com/cgi/vt.mpl?f=tweaks&m=212628&VT=T
they all claim to hear differences (on VHaudio they say that they are directional, but not if they themselves have tried it).
Hawkmoon could you please provide a link?
mojul
Follow Ups:
Hopefully, hawkmoon won't mind but here's the link. Go down a few pages for the Evaluation of Measurements.
Joe
Yeesh.
The problem is, altering the resistance would presumably significantly alter the I^2*T performance....which I have yet to see any of these boutique fuse manufacturers talking about.
I'm pretty sure I know what my insurance agent would have to say about throwing unlisted /unregisterred fuses in my gear....especially when I can't show the math proving the level of safety acomplished by the OEM's design isn't being compromised by using one of these fuses.
Besides...how is resistance even supposed to be directional for crying out loud? Changing orientation doesn't change the performance of a resistor.
Aftermarket fuses aren't for you. How about we leave it at that?
Joe
How can we conclude that? Because I asked questions about how well they work for their intended purpose? If you don't care about that why not just replace the fuses with a slug of some high conductivity material? Maybe I would think it was the best thing that ever happened to me if I put one of these fuses in something I use.
Hi Joe
Thank you for link to these fuse measurements. Now, at least we know, there are differences between ordinary and audiophile fuses, the audiophile fuses having the most low resistance.
mojul
Problem is that most audiophile fuses are not UL approved. Thus one cannot be sure they will do their job as fuses when and if the time comes. It is in fact not reassuring to learn they have lower resistance to start with (even assuming that is true), because that suggests they are too conductive to melt out when confronted with an overload situation.
Read the results and draw your own conclusions. Great post!
44.47 vs 44.57 mOhms?A difference of .0001 ohms?
At 1 amp (and that is where they were measuring) the voltage drop would be .04447 volts vs. .04457 volts.
So instead of having 119.95553 volts (assuming a 120 volt line from the wall socket) you would have 119.95543 volts feeding the primary winding of the power transformer. Oh the horror!
Do people really claim to be able to hear that?
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
Edits: 01/15/23
Thanks for the math. Those of us who understand electrical concepts know this but your numbers drive the point home to those who don't.
Just do a search here"tweakers asylum" using hi fi tuning fuse and you will get dozens of posts. Enjoy the music also has several reviews of fuses and their sound as well. The easy thing is listen, then turn the fuse around, and listen again. Many choices out there. Enjoy
Here's a good review
Hi Hawkmoon
Thanks for link.
This Enjoy The Music review in the end got me to try this fuse and am happy I did.
mojul
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