Quantum Science Audio light blue fuse; $71, what a bargain!


I wanted to start a new thread about the more affordable versions of these fuses. I don’t doubt that the higher end versions are amazing, but most of us aren’t very likely to be able to hear them for ourselves. Fortunately, pretty much anyone who is serious about building a musically enjoyable and engaging system can get a good taste of what they’re all about.


I’ve had the light blue QSA fuses ($71) in my CD transport and DAC for over two weeks, now. They replaced SR blue fuses, at around twice the price, and easily bettered them. I am expecting one more light blue tomorrow, to replace an SR orange in my amp. I’ll give an update on that, once I get it installed and listen.


Meanwhile, here are a couple quotes from my posts on the other thread:


“What I am hearing is; voices & instruments are more solid and lifelike, with increased natural detail and sense of space, better dynamics, and a more relaxed overall sound.”


“Just got in a second light blue fuse for my DAC. So far, more of the same improvements I got in my CD transport. Very nice!😃 One thing I appreciate is the break in seems to be pretty quick, without any of the nasties you get with some other stuff. Pop it in, and you’ll hear improvements in short order, at least that’s been my experience.”


I am continuing to greatly enjoy what these fuses bring to my system, and am really looking forward to getting the last one in my amp.


tommylion

Showing 7 responses by pauly

" The audio signal doesn’t go through the fuse you dum dums"

If you had the slightest clue how an amplifier works, you’d know signal that goes to the speakers consists SOLELY of the electricity that comes from the mains, and by implication, goes through the fuse.

Dum dums such as yourself shouldn’t refer to others as "dum dums".
And because even if you had one iota of electronic knowledge you’d know this ** needs to be stamped out of the industry


Oh dear, another know-it-all … I do wish Audiogon would add an ignore option to deal with irritating gadflies.
Yes and one look at your last page of posting history shows you are a "voodooist" that can only comment on "snake oil" products, without 1 iota of electronic knowledge to present to backup your comments.
Please do point that post where I supposedly made a claim I cannot back up. Come on, show everybody how much “electronic knowledge” you have. 

Not sure why when someone like georgefoofi who is on a self appointed crusade to harm a certain section of the industry is allowed to post his insults and vitriol.
I think you hit a nerve. I’ve come to learn that those who insult online are people who crave attention as they get none in real life.


Done too often you risk being seen as a crank at best or worse, a stubborn fool.

That ship has sailed … 


@tommylion
Give Ed at the hornshoppe a call. He makes a fantastic preamp and he’s not an irritating know-it-all - he’s a pleasure to deal with.
Is the black worth trying or should I jump onto a blue straight away?

I want to do both my mono blocks and my pre.
@glory 

I swing the soldering iron myself, so for the price of three yellows there is a smorgasbord of other improvements I can do, not to mention NOS tubes and a better PC for my pre.

The yellow fails when I consider the marginal rate of utility substitution. Blue is on the knife edge. 

I'll go with a single blue for my pre. I'll listen to that and then evaluate the improvement vs. other improvements I can get for the $$. Low hanging fruit first.