The guru on fuses:


For two years, I have asked why and how fuses could possibly matter. All I got was arguments of faith, pro or con. I needed a real audio guru who actually knows. Here is a link from John Curl’s discussion on Parasound’s website. He engineered and designed some some great equipment, including some Mark Levinson gear, The Grateful Dead’s 30 plus McIntosh amp powered Wall of Sound, and his admittedly, somewhat price compromised Parasound designs. He discusses the electrical properties of standard fuses, showing how they are compromised. The entire article is quite enlightening, but to skip to the fuse section, go to the bottom half of page 6. https://www.parasound.com/pdfs/JCinterview.pdf

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Showing 12 responses by oldhvymec

I liked the part about magnetic resistors vs nonmagnetic. Also the different cap composition and that it’s usually the first part to fail BETWEEN different stages.. Again quality parts are going a long ways, but he emphasizes the importance of HIGH quality copper resistors..
AND the best in dielectrics when it comes to cap composition. He didn’t seem to be a very big fan of mylar or aluminum either. I also picked up we should build, to spec, then listen, not concede that because the units are specked correctly no complaint can exist.. He says "LISTENING" is still the final say so, in a nut shell..

I say what about magnets on either side of the fuse holder.. Just like a laser being focused with magnets.. What the heck is that gonna do?

I been wondering? He doesn’t like stray magnetic eddies.. What about where we want them... That silly fuse?

Anyways, time to feed the chickens..

Regards..
georgehifi8,426 posts02-06-2021 3:14pm
Anyways, time to feed the chickens..
Yeah give’em a fuse also , "maybe" then they’ll **** out directional eggs also!

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That's it... George!! I'll put up with a lot of stuff. But talkin' BS about my chickens egg laying, you've crossed the line.. Green eggs and Ham.

You ever laid an egg? There is a direction..  Look at the EGG!!!
Serious, eggs are directional..

Kinda like the chicken hawk that landed on the hen house. It forgot about my Banty Rooster. By By Chicken Hawk, chop chop , comes to mind..

It came in one direction, it sure didn't leave the same way.. Like a fuse.. No direction? AC is always doing the Cha Cha Cha towards the sources then its ground. 

When I use fancy fuses, they CAN, (not that they do every time), CHANGE the sound. YES it takes time for that goo to settle back around the fuse end caps.. There is a reason WHY the sound changes, and also a reason to leave the fuse alone after it's installed..

Take that silly fuse apart, there is a non magnetic, tapered thermal filament in it.. NOT just the same size from end to end. I've looked at the slow blow and the spring winding is wound tighter on one end than the other. They use S-conductors, ??? yes better than copper is? SILVER. They have used tungsten, nickel, rhodium, lead, tin, aluminum, mylar. YOU name it they have used it.. NOW think.. what would be the better conductor from a tech, or a silly old mechanic, point of view... Why would a better, tiny little wire make a difference.. BECAUSE it is just that... A tiny little wire... I try to make darn sure it's a GREAT ONE... Simple me....Just a common fella!!!  

Now try to lay that egg sideways.. George.. :-) Kidney stones comes to mind...

Now the important part...

I want to know what effect magnets have on the FUSE.. The most IMPORTANT, yet neglected part of a piece of equipment?

I'm gonna build a gadget..

Regards
OP, someone gave me a hand full of SR fuses and ask me if I would like to try them. I have NO skin in this game...

I was using ACME and Tuners. I tried a SR in a hot rodded Samra C20. There was a nice change. It took 50-100 hours to sound its best, but the change was instant, it just got better.. a Blue SR.

I just have the fuses in a few pieces of equipment, and in some equipment they sound really good. Others, no change at all. 

I'm not quick to say, it changed either.. It had better change, or I will tell you.. You're hearing nothing BUT.... I have a friend or two.. That can talk themselves into or out of anything... lucky for me...  
They go sideways, more so, because they can. 10-30k every year for the last 15 years.  its just money to them.. ME I'm pretty frugal.. NO 150.00 fuses that I paid for... 10-25.00 usd..

Regards
Sorry, but a fuse is Not going to change the sound of anything. It is all in your(s) head. Your brain will tell you it sounds better to compensate for the guilt of throwing hard earned money out the window.

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This statement could not be more true. If you don’t try one you have NO say so.. simple as that.. No use, No say, Even George admits he did not use a fuse.. he tricked his customer. So he admits he DID NOT use or listen to the fuse.. He said it not me..

Again if you take the fuse out of your power amp for example, and turn it around and DO NOT hear a difference, the chances are that you will not benefit from a "FANCY FUSE".

Either your system, just doesn’t need it, you can’t hear it, or you don’t want to hear it.. It makes no difference as long as the person doing the listening and PAYING for the fuse is.
They have a money back guarantee, if you blow a SR fuse they will replace it without cost usually..

It’s not easy to pull off "I’m Stupid", some make it sound so easy...

As the saying goes "Jealousy always brings unkind word"

I’m just another prick like the rest, but I don’t hide behind "STUPID".

Yup way to much time here.. Mercy.. I’m out of here. Place has me thinking folks are just friggin’ deaf and stupid.. That’s just not me...
I’m better than this...Geez...

By By..

speakermaster
105 posts
02-08-2021 9:07pm
I can tell you that vintage fuses are an incredible upgrade because of the high quality of their construction.

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I would love to hear a pair of the "Speakermaster", speakers..
I just got a feeling...

You Mr cakyol, for a tech guy you sure are THICK. Cables, fuses, what's next, speakers and amps.. The Parts Express, amp kits are good enough along with their speaker kits.. RIGHT?
Quality is in the eyes of the beholder.
So is Sound Quality..

There is stereo, and there is HiFi listening to stereo.. There is always BETTER... NO it does not mean 150.00 fuses or 10k cables, BUT it does take an unbiased ear.. I think that part is broken on every flat earther here.. Fusers, vs Flat earthers (the prove it to me crowd).

The reality of it is, only one side will enjoy the change, no matter the reason.. I'm glad I'm a mechanic and DID try a LOT of new things..
Cables and fuses being two of them..

I bid you adieu
Well George, you know I like you, right.. You haven't figured that VAC is doing the Cha Cha Cha, in a direction towards the source and then to a drain or ground. I'm no genius, as you can tell, but isn't that little friggin wire pretty important. Geez.. Think about that. 

It's not just "A"... it's a WHOLE lot more, Everything starts there and it CAN'T start without it... Right?

NO 150.00 is total BS, but as I said, there are some good 6-30.00 fuses that the stupid little wire filament, isn't made out of recycled Bear cans.. OK!!

64 VW vs 2021 VW ok.. different.. better...You got to quit being so friggen hard headed.. The earth is not flat...

I've been to Australia, the earth is round.. :-) Worked right on the Great Barrier Reef in 79.. Plane crash, cleanup.. Boom recovery ships, mechanics mate..1st class

Regards
When they build an amp. or pre amp or what ever, aren’t better components, BETTER?. Look at the copper foil resistors, I thought WIMA caps were the reason for the great but reasonable cost of HIGH quality sound... It’s not, it the resistors.. AND they do make a huge difference in SQ..

SO WHY are you so resistant to a damn fuse... Beyond me.. I don’t get it..

Every time I use this fuel my car does this.. OK, do you like what it does?
NO, pings like a pong! Sounds like it’s gonna blow up... Answer. don’t use that fuel. BUT I use this other fuel and it runs even better, same octane. What do I do.. REALLY? oh by all means use the crap fuel...

I dunno... maybe I’m just too emotional.. about the whole thing...LOL
Go hug my speakers... They know they get the best...

Regards..

audio2design
1,015 posts02-12-2021 5:27pmWhy oldhvy because for all the bs about an amp just modulating the power supply, the reality is what makes for a stable supply and the properties assigned to audiophile fuses are not the same. It’s all a smoke screen of ignorance.

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A fuse that increases in resistance as it heats up (more current) would make for a more stable supply voltage. Yet people go gaga over low resistance.

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I just like the way it sound, nothing to do with anything, Scientific. LOL

Mercy

That last part of your statement, lends it’s self to a previous comment about a twisty flat 99.99 copper flat ribbon, with .0X increase per meter resistance. It is not just R, C, and end load, is it?

That silly little filament, yea buy the cheap one, by all means
Recycled German cars make better fuses than recycled Korean cars.. That’s all I’m saying.. :-)

I’ll stick with my 6-30.00 fuses and my FREE SR fuses..
YES I use Busman where it sounds no different.

I sure would have liked to work with some of you fellas’.
I personally like breakers, or bypass the fuse all together in stereo gear, or speakers (they always go, speaker fuses)

I’ve NEVER had a problem. BUT I've had GREAT success with speakers and shi$s fuses in the path. Infinitys ALL OF THEM. I've owned  LOT of them.

YET I did a speaker cable drop that blew up all kinds of stuff. The 20 amp main breaker blew, but not the 5 amp slow blow in the VTL or the Mac 275. The stupid class d, never missed a beat.
Two months after that, the Mac C2500 Pre lost a right channel.

A cable drop... The ONLY one I’ve ever had, 15K if I would have just replaced the components.

The busman did not blow...in ANY of the pieces, all failed. SAFTY??? 3 right channels!!
That is the exact reason I tried SR fuses, I though what the heck, I was using ACME, and Tuners. They sounded better in my (Samra) C20. I used a FREE SR FUSE.. LOL

BTW want to buy a pair of 300 Deluxe VTLs, perfect except the signal caps are burnt off circuit board.. Busman fuses, ay? Safety?

Nothing safe about them as far a equipment. Especially slow blows. Friggin’ junk. Mechanic NEVER use them EVER... Breakers ONLY,  or standard fuses, some fast blows.. (Computer fuses).

Like I’ve always said, "Stereo equipment is NOT rocket science", it is really kind of simple, compared to a modern day piece of equipment. EVEN a friggn lawn mower is more sophisticated by design.. WAY MORE or mower. LOL

Regards
nonoise6,732 posts02-19-2021 2:08pmoldhvymec, he's just trolling..

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I'll abide an opinion, BUT my cheek was turned a few comments back.
I try to be a gentleman, but when it's normally fueled by insult hurled at everyone "AS IF", he's better than when in fact he's not "AS GOOD AS"
Time to say, "what a shi$head". White gloves and dancing shoes OFF, WORK BOOTS and leather gloves on.

BUT thanks nonoise. I'm sure it will get booted anyway.. I spend WAY to much time here anyways. LOL

Regards
Anyone who thinks a fuse changes the sound, suffers an inferiority complex, which manifests itself in them feeling superior to everyone else thinking they hear differences.

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I don’t suffer from it, and would appreciate YOU stop the name callin’
you deaf prick? I hear a difference.. You need to learn some manners..
You’ll find anyone callin names around me, it won’t fly...
I don’t give a shi$ who cares, or who you think you are...

I’ll ask you once... Then from the Eeyore 6 to the ash can.. I'll have nothing to do with you.. Your call.

No regards
Heck I just like the way it sounds..

Kicking a rock around... I just want it to go in my ears.. Both at the same time..

Regards
See, SEE, I told you guys... Neener, neener, neener...

Itty bitty shitty wire is bad. I told you that...

6-25.00 dollar fuses.. It can’t be floppin’ in the wind so to speak..

I like the 1.00 busman, TOO. Just not a lot of places. Where I can’t hear it. Perfect...

I have Infinity RS2Bs. LOL I've had them a LONG time. They have 4 fuses each..
Every two years new fuses, unless you want to hear BAD by year 3. Cheap busman 1 dollar fuses.
It's been 3 years sense I used them.. I use to put a dab of silicone on the fuse sides.

Time to feed the chickens...