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Fuses do affect sound, the question is how much

restorer-john

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That looks like a free logoed cutting board. There is a restaurant in Tokyo with Kewpie in every dish including desert.

Close. It is the Kewpie plastic bag cutout under a desk protector on my desk.
 

restorer-john

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Ok, a pus logo.

Very lucrative pus.

Sales of US$5.2 billion last year.

1607052438623.png


1607052537840.png
 

solderdude

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.... or perhaps a few more in case it blew for a, yet unknown, reason and you have to fix the device first.
 

BDWoody

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solderdude

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A piece of a metal potmeter shaft fits nicely as well.
I have even encountered blown fuses with aluminium foil wrapped around them !

On a more serious note: NEVER put replicate the above mentioned things. Only use the correct size, rated and 'speed' fuses.
aside from the Amp rating note whether or not there is an F (Fast), an FF (very fast) an N (normal) or M(Mediun), T (Time lag), TT (very slow) or SB (Slow Blow) marking on the fuse as well.
Then there are glass fuses and sand filled fuses as well as ceramic ones.... and aside from the 'usual' ones there is a boatload of special fuses in all forms, shapes and sizes.
 
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DonH56

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@mhardy6647 : I've seen that before, and will share the suggestion that you simply use the emptied and cleared casing of the shell and not the one with bullet and powder included. Otherwise blowing a fuse could indeed be explosive.
 

maverickronin

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@mhardy6647 : I've seen that before, and will share the suggestion that you simply use the emptied and cleared casing of the shell and not the one with bullet and powder included. Otherwise blowing a fuse could indeed be explosive.

But then you loose the audiovisual alert! ;)
 

paulraphael

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A light-bulb actually makes a great reusable fuse!

Years ago I remember seeing speakers made for electric bass amplification that used a light bulb for a fuse. The idea was that at high levels, it would work as a compressor to protect the speaker, keeping the levels safe without blowing. The bulb would only burn out if the levels went way too high.

This design would obviously affect the sound, but I had no way of knowing how much ... I wasn't about to short out the bulb socket to see if I could hear a difference.
 

RickSanchez

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Seems like an excellent time to share this handy guide:

View attachment 108325


I have to assume that the 16 amp "fuse" only works while still in the wrapping. I'm no EE but I get the feeling that shoving cheese into the slot for a fuse might not work very well.

1611596848522.png
 

mhardy6647

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I have to assume that the 16 amp "fuse" only works while still in the wrapping. I'm no EE but I get the feeling that shoving cheese into the slot for a fuse might not work very well.

View attachment 108362
I think that the internal resistance of cheese is fairly high (even when it's the soft kind). I further suspect it would result in some sort of frequency contouring if one of these were used as a fuse in a loudspeaker. It might resemble the (in)famous Laughing Cow Smiley EQ curve. :cool:

no smilies by Mark Hardy, on Flickr
 

Rock Rabbit

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I hope any good designer knows how to assign zero importance to fuse resistance!
20210125_201744.jpg

But even without any circuit the fuse resistance variations is nothing compared to loudspeaker voice coil with temperature (almost all power converted to I^2•Rcoil)
 
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