Has anyone ever attempted to use copper instead of Alloy foil for ribbon Speaker ?
http://www.stormcopper.com/art-craft-copper-supplies.html?gclid=CKfAspWsiaACFZxS2godrgkqkg
http://www.stormcopper.com/art-craft-copper-supplies.html?gclid=CKfAspWsiaACFZxS2godrgkqkg
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Could be a good material.
No personal experience.
The Dome Tweeter of the Celestion SL6 used copper
as membrane material AFAIK.
I personally liked the speaker.
Celestion SL6
I don't know but copper may have more damping and less stiffness
as AL.
A ribbon which has a well adjusted fs not too far below its usable
range and foil as thin as possible - why shouldn't it work ?
No personal experience.
The Dome Tweeter of the Celestion SL6 used copper
as membrane material AFAIK.
I personally liked the speaker.
Celestion SL6
I don't know but copper may have more damping and less stiffness
as AL.
A ribbon which has a well adjusted fs not too far below its usable
range and foil as thin as possible - why shouldn't it work ?
Last edited:
yes, i have toyed with the idea a few times.i found that it is much heavier than aluminium. 3.5 times more to be exact .i could not find any thin enough to use. a couple of years ago i found some 100% copper leaf at a craft store it is about .1mil thick. but it is only a 6" by 6" square.however i did manage to laminate it to some .25mil mylar and thats as far as i got. i had lost the sample i made but i still have the foil i used and plan to prusue that project again.it was from a company called gold leaf and i believe it is still availible.jer
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