Hi-Fi Tunig Fuses & Parasound A21


Hi,
Have any Parasound A21 owners replaced the stock fuses with the Hi-Fi Tuning fuses in their amp? I understand that there are four 8A slow blow internal fuses and one 12A slow blow fuse on the rear panel. This is a awesome amp as-is. Just my curiosity.

Please share your experiences.

-Thanks,
128x128milpai


Al, are you speaking with the lawyer side of your brain or your EE side? Setting aside the Quantum Tunneling issue for the moment, since that’s kind of a red herring for this discussion because Synergistic Research use Quantum Twerking on many of its products - it’s not unique to its fuses. No need to get all worked up over the name of their process in any case. 

So, lets summarize what we know about aftermarket fuses and what it is about them that is responsible for better SQ compared to a fuse from Joe Blow. Get it, Joe Blow?

1. The purity of the wire inside the fuse is superior, e.g., high purity copper or high purity silver.

2. The end caps are better conductors than Joe Blow’s, either pure copper, pure silver or gold plated copper.

3. Fuses incorporate vibration control, which can be substituting a ceramic body for glass, use of fluid inside the fuse body as damper, and or beeswax a la Audio Magic.

4. Some Aftermarket fuses address RFI/EMI using absorption materials either inside the fuse as with Audio Magic or outside the fuse body as with Synergistic Research (graphene).

5. Wire directionality plays a role in the SQ, too. As it would even with Joe Blow’s fuse, but it would be easier to hear the difference in direction with aftermarket fuses since they are are superior to begin with, you know in terms of conductivity, noise and distortion.









georgelobrow
1,827 posts
11-19-2016 2:33pm
Geoffkait:There are none SO blind as those that will not SEE.

george pondered this, thought for a moment, then pulled the trigger,

"There none so blinded with their own voodoo, that "they can’t see the forest through the trees"."

http://www.machinadynamica.com/

Cheers George

Whoa! Hey! George, if you keep this up I'm going to have to consider promoting you to associate shill.


almarg
Geoff, note that he said "reasonable explanations."

Yes, I know. Please note that the explanations I listed are quite reasonable, at least to a reasonable person. In fact, I don’t think it would be going TOO FAR to say they are SO reasonable that it’s a confounding mystery why someone didn’t come up with aftermarket fuses prior to 20 YEARS AGO.

Geoff Kait
No not shilling, just trying to keep things honest. 
You have yet to come up with any real explanations of why you firmly believe that mains fuses the magic cure and are immediately detected as being directional, and so can transform the sound of a system as you say. 

Cheers George 
These discussions of the perceived sound qualities of fuses and cables, etc. never cease to amaze and amuse me - passions are stirred and frustrations are aired, never with definitive resolution.  

And... skeptices rely on science and engineering principles, while believers "hear what they hear."   

I tried the Audio Horizons Platinum Reference fuse in my ARC Ref 3 Preamp and was able to discern, perhaps, a subtle difference... not really certain... it was so subtle.  

In the words of one now very much infamous "at this point what difference does it make" - "Never the twain shall meet." 
 
Those who hear an improvement will never be persuaded they really don't, and those who do not hear a significant improvement will never be persuaded they really do.  C'est la vie...