2. tech-talk
  3. 1127245709

Fuses - Why do same size fuses sound different?

Because of recent reviews on fuses and some manufacturers using some fuses to voice their products, I am embarking on a fact finding mission of why some sound better than others.
Most electronic fuses have nickel plated brass caps with glass or ceramic tubes but vary in sound despite that. I have not been able to find any info on the construction of the elements themselves, is this where the variability in sound stem from?
So far I have compared a set of Cooper-Bussman Ceramic, Radioshack Ceramic, and Littlefuse Glass 10 Amp fuses on my amp. They all sound very different, the Radioshack is by far the worst of the group, its imaging is diffuse, timbres sound off, and it lacked tranparency and extension relative to the others. The Littlefuse have better focus than the Radioshacks, timbres are more accurate and it was more transparent, however, it was extremely bright and etched up top. The Bussmans sounded very good compared to the others, everything fell in place with this fuse, it had very focused images with added weight and detail, timbres were true, and it was the most transparent and relaxed of the group. It had very good dimensionality and musicality, but only when oriented in one direction only.
The moral of this story is that I hope all manufacturers spend the time researching fuses when they use them in their products, otherwise we have to start "fuse rolling" to get the best sound. The good thing about fuses is that they don't cost much.
plelko
artg
362 posts
 
no, Stan, you need to buy your own, but since you are so much smarter than all of us, I know you won't; isoclean fuses are obviously a scam for lemmings like me. It must be equally amusing and frustrating knowing so much more than everyone else (even regarding a product you've never even tried). I am sure you have saved many from getting taken for $25 - well done.

For anyone who is still interested (cover your eyes Stan, esp. since I am sure you dont 'beleive in' press reviews either), you can read a review of this fuse here:

http://www.6moons.com/audioreviews/isoclean3/fuses.html
c5150
115 posts
 
see what I mean....people are not just people....Thanks guys for proving my point...LOL
programmergeek
322 posts
 
Well power cables make a difference. I didn't beleve till I tries and it was a big difference. I could see how fuses could have a similar effect since the poser goes throught ht efuse before reaching the electronics.

If you can't hear the difference than that is not a week point in your system. It all depends on your ear and the level of your system. I doubt I would hear a difference on my Denon receiver but in my astecics pre amp I may.
c5150
115 posts
 
Ever put your cd player on rubber feet,metal spikes,wood blocks???Ever put weight on the top cover to tweak the sound.Well all you are doing is changing the vibration.Now when a signal and electrical energy try to vibrate through glass or ceramic....do you think it will affect the sound .How thick is the glass,how soft it the ceramic????How tight is the fuse holder,how much solder is is there?what type of solder.Are the wires in your player tied dowm tight with plastic twist ties ?Are the screws in your players chassis tight or very tight.or just holding up the whole.Vibration .....is the key
red2
79 posts
 
I just recently bought IsoClean fuses for my Maggie 1.6 speakers. Not being critical of any individuals tastes out there, but I believe that "Tweaks" and "Mods" are very system dependant. They may work great in one combination of stereo components, and horribly in another set up. Let's just say, that many of the tweaks I have tried in my current setup have taken the sound to a sterile, lack of emotion, neutral state. Call me "colored" but I need emotion and a sense of presence in my music. Evidently for my tastes, my gear must be about the right mix and balance with out too much more in terms of addition tweaks and extensive mods, although I do have several in place.

My current tweaks have improved the sound, transparency etc without lossing any of the emotion, making vocals and the "sense of presence and being there" even greater.

In summary, I prefer the Bussman fuses that come with the Maggies to the IsoClean by a large margin. In fact, I am going to list the IsoCleans for sale here today.

R.
More to discover