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Old 10th April 2013, 10:09 PM   #1
WrineX is offline WrineX  Netherlands
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Default wich foil/capacitor to harvest for ribbon ?

wich foil/capacitor to harvest aluminium foil (4 - 6 micron thick) for diy ribbon ?

well it is being asked serveral times when i searched but never a straight anwser.

i tried these
Click the image to open in full size.


this is metalized film, cant use it for a ribbon expensive cap to


and
Click the image to open in full size.

2 layers of really thick aluminum with paper in between. this is even thicker then household foil..... wich is also funny that in the huge can , theres actually a small roll it looked like something but they could ahve made the housing 2 as small.

and a cheap bipolar version,

Click the image to open in full size.

again 2 thick layers of someting wich conducts did not even looked like aluminium. verry thick and heavy


someone have sugestions ?


any brand and type , or image on a succesfull harvested type , so this can be the last time this question is asked would be awesome!

Last edited by WrineX; 10th April 2013 at 10:50 PM. Reason: i was not verry clear about what i was asking :)
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Old 10th April 2013, 10:29 PM   #2
ktuuri is offline ktuuri  Canada
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Don't know about the caps you mention.
But I run some Maggie III series ribbons as super tweeters and use a high pass filter with WE Paper in Oil caps.
I never experiment with others as I had these around, and I have no desire to experiment with others. I'm very pleased! :O)
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Old 10th April 2013, 10:49 PM   #3
WrineX is offline WrineX  Netherlands
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Quote:
Originally Posted by ktuuri View Post
Don't know about the caps you mention.
But I run some Maggie III series ribbons as super tweeters and use a high pass filter with WE Paper in Oil caps.
I never experiment with others as I had these around, and I have no desire to experiment with others. I'm very pleased! :O)
oh im sorry maybe i did not make myself clear, i want to cut them open to gain verry thin aluminium foil to make a ribbon
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Old 10th April 2013, 10:55 PM   #4
ktuuri is offline ktuuri  Canada
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Quote:
oh im sorry maybe i did not make myself clear, i want to cut them open to gain verry thin aluminium foil to make a ribbon
Well then, I guess, I am way off the mark. :O)
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Old 10th April 2013, 10:59 PM   #5
jcx is offline jcx  United States
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electrolytic foils are etched full of holes to increase area - likely not good for flex life

audiophile caps may use Cu, Sn foils - both too heavy

though cheap, pure Al isn't easy to electically connect to

read the datasheets closley
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Old 10th April 2013, 11:10 PM   #6
WrineX is offline WrineX  Netherlands
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Quote:
Originally Posted by jcx View Post
electrolytic foils are etched full of holes to increase area - likely not good for flex life

audiophile caps may use Cu, Sn foils - both too heavy

though cheap, pure Al isn't easy to electically connect to

read the datasheets closley
yeah i looks like audio caps are a no go just wasted 3

well there not really specific in their data sheets
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