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In Reply to: RE: Fuse choice and safety ? posted by Sondek on April 28, 2016 at 08:43:31
Soudek , Not much to elaborate on. Higher rated fuses sound better. Thicker wire inside. Different fuses of the same value sound different. This of course cannot be recommended as a general principal. In some well thought out cases a larger fuse may be a reasonable thing to do. As an example I'm pretty sure my amp came with a 2 amp fuse. I asked the designer what the max current the amp would draw if it was pushed to it's max and he said 3.75a. He also said it's ok to go to 3.75 fuse after putting in a 2 amp fuse. I asked him if I could go a little higher than 3.75 and he no. Of course this is just my humble opinion and your mileage may vary. Like everyone says, you gotta be safe. Tweaker
Follow Ups:
If you DIG IN to the factory specifications, you'll find RESISTANCE listed.
Too much is never enough
Thanks for the explanation. Having read it, I'm not sure why it didn't occur to me when I saw your OP that I've kind of done the same thing with my Acoustat amps. Well, I didn't do it, the gent that rebuilt them did it, but he replaced the fuses and power switch with magnetic hydraulic circuit breakers. More beef in the connection. Big improvement in sound. So yeah, I think I get it. Sometimes I can be a little slooooow.
In that particular case, the 3.75A fuse would have to be a fast-blo type. But fast-blo types use thinner wires than slo-blow. So, in the end you might be "better off" sound-wise with a 2A or maybe 2.5A slo-blow.
The 2A fuse was a fast blow.
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