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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

That Depends On the Circuit




Both the Hi-Fi Tuning and Synergistic Research fuses have writing going in one direction. Without electrical measurement tools, you don't know what direction current flows, within the fuse-holder.

But by ear, you can easily tell which way is wrong. Images will be bloated, soundstage is a mess (or non-existent) and PRAT will be f----- up. Even in my mid-fi Rotel RCC-1055, non-audiophiles can tell when the fuse is oriented the wrong way.

I find it interesting that the manual and even the unit itself may indicate a fuse value. Yet, the manufacturer often has placed a fuse which has a different (higher) value. For example, I'm reviewing the Simaudio Neo 260D right now. The F2 fuse calls for a slow-blow 20mm 0.200A fuse. Yet, this unit came with a 0.400A fuse.

Audio Magic claim that their fuses [pictured is a Premier Beeswax] are non-directional. My friends and I have disproved that. Just like the other brands, an Audio Magic fuse in the wrong direction will sound lumpy, grainy, congested, and bloated.

Only you can decide if a given fuse is the right sonic match for your gear, budget, tastes, and goals. That's where we as an audio community come in. We need to share our experiences, wares, and music.


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