Synergistic Research BLUE Quantum Fuse....WOW

For years I’ve been reading positive things about after market boutique fuses. Last week I finally took the plunge and ordered just one Synergistic Research BLUE Quantum fuse for my PS Audio BHK preamp since it only has 1 fuse.

All I can is HOLY CRAP! Like I said I’ve been reading positive reviews for years but I was not prepared for what I heard. C’mon it’s just a fuse. Anyway The soundstage was wider, had more depth and more height. Voices were more realistic and depending on the recording It was like they are in the room. Everything just seems better and this with only one fuse upgrade.

I plan to do the same with my BHK 300 mono blocks but at $150 a fuse and each amp has 6 fuses I’ll start with the”Mains” fuses as there are only 2 per amp. There are 4 “Rail” fuses per amp but that will come at a later date depending how the fuses for the “Mains” go.

So the big question is......has anyone else have the same experience with after market fuses and what was the fuse and the component you replaced the fuse?

Have tinkered the thought just never executed.


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Paul, thanks for sharing your experience with the new fuses. I wish you continued success as you implement more into your system.


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Originally Posted by Sean

Paul, thanks for sharing your experience with the new fuses. I wish you continued success as you implement more into your system.


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Thanks Sean!

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Originally Posted by Audiophilehi

So the big question is......has anyone else have the same experience with after market fuses and what was the fuse and the component you replaced the fuse?

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If the "blue" fuse made such a difference, then it must be much better than the "black" ones I tried.
Glad to know that.
But for that price it might be worth trying the Audio Magic!

The Orange Fuse is way better than the Blue one! I'm planning on upgrading very soon!

Everything makes a difference in this hobby and the fuse is just one of them. I will have to warn you, just because one blue fuse made a big difference, it doesn't mean more of them is better. Whether the blue, black or orange fuse is better clearly depends on the system. One size does not fit all.

I put an orange fuse into my Aesthetix Calypso Signature preamp this week. The positive change was instant and unmistakable. Less noise means more detail and overall coherence.