Why don't amplifier Companies use high end fuses?


My equipment - Raven Integrated Reflection MK2 tube amp 58wpc. / Lumin A-1 DAC Streamer / Synology NAS / Isotex Aquarius Power Conditioner / Furutech Rhodium Plug / Sonus Faber Amati Homage Tradition speakers.  

I have read thousands of comments on upgraded fuses improving the performance of sound.  I am very open minded but not sold either way.  So, the question I have is....if fuses were so important, than why don't Amplifier companies all install them as OEM equipment?  To me, if they are as good as people say, that would provide companies who use them a competitive advantage?  

Every High End Audio store I go to in Phoenix have told me it does not make a difference and is a waste of money.  For the record, I have fuses purchased at an automotive store for under $10 and I think my sound is awesome.  The Company that built my amp tested the Synergistic Fuses and he emphatically said there was no difference.  

If I were to try a fuse for fun, given my equipment, what would your recommendation be to try?  
willgolf
Lots of things in this hobby are "impossible." Lots of things in this hobby defy explanation. Lots of things in this hobby appear to disobey the laws of physics. So what else is new? 😛
Just wait’ll you guys get a load of some stuff that’s really controversial. Tempers will flare.😡

"There are more things in heaven and earth, Horatio, than are dreamt of in your philosophy."
@almarg 
Thanks for the compliment. Yes, it was me who said that I had to turn the volume down 2-3db and it was not a misperception. My normal listening level is -37db. That was with both the HIFi Tuning Fuses and the PADIS fuses in, the wrong way.

Both times that I reversed them, I had to turn it down to -39db to -40db  as it was just too forceful, i.e., too loud. The only difference between the two fuses were that with the HiFi fuses, the highs were too rolled off and I had to boost the treble 2-3db just to hear things in a somewhat proper perspective. That was rectified once I reversed them. All settings returned to a flat, direct setting. 

With the PADS fuses, that was not the case. It was the same with the volume, however. I now listen at -39 to -40db all the time while for the two years before that, it was at least set to -37db. That's the god to honest truth. As to what other variable it can be attributed to, I haven't the foggiest. What I did and what I heard as a result, with my eyes, my hands, and my ears, is that not only do the fuses improve the sound, they are directional. 

I'm not inclined to pop open the units and get out my Rat Shack meter to measure the SPLs with test tones or quick and slow readings, going back and forth with the fuses. Been there, done that, twice already, just trying out the fuses. It never occurred to me to document the process as I never expected some of these responses. Someone else can do it. I know what I've heard. I'm not delusional. I try to respect those who disagree as long as they're open minded (like you, Al 😀) and I hope this lays things to rest, because as far as I'm concerned, I'm done with this.

All the best,
Nonoise
Interesting discussion, With the regards to the ability of a fuse to make a noticeable difference in SQ, I have to wonder how many serious audiophiles ask about fuses when auditioning new equipment. Do any know based on how the component sounds if a 'better' fuse is being used? 
I would think most would simply upgrade the fuse after a time, and bear witness to an improvement (or not) from that point on. 

As far as having the mfr. use a high end fuse, I don't think that is going to ever going to become a standard. Circuit design, and the incorporation of more high end audio components will always be a priority. Of course, many might consider a fuse being an audio component if it makes a difference you can hear. But if you do, then I think you also have to accept the fact that other design factors may affect  how big a part the fuse plays in the overall performance. Like would it be as significant as a difference in the build up of tolerances between one production unit to another?
Yup, you just have to adjust yourself to ignore any of the engineers or scientists who just want to pour cold hard reality on your unicorn fantasies.
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