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

In my tube system, AFAIK no fuses are in the audio signal path

And there are no fuses in my speakers.

However, there are fuses in each power supply to kill current in case of an overload. I'm no expert -- circuits are Chinese algebra to me -- but I think those fuses carry ZERO music signal. I think that the music signal is carried via RCA plugs, interconnects, binding posts, speaker wires and circuit boards, but never does it go through a fuse.

I have a PS Audio power plant that conditions the AC power 'signal' and I think fuses see only that. I don't know whether an expensive fuse would make an audible difference there. I never experimented but I'm skeptical. Send me some high-end fuses, though, and I'll give them a listen and report back what my golden ears discover :)

OTOH, I think fuses would be audible in a loudspeaker.

What I'm saying is that it's important to define what we mean by signal path before we debate whether and how fuses affect the signal.




"Horse sense is the thing a horse has which keeps it from betting on people. "
― W.C. Fields



Edits: 05/11/15

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  • In my tube system, AFAIK no fuses are in the audio signal path - Jay Buridan 12:37:04 05/11/15 (0)

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