conductability of acoustic foam

sberube · 27th August 2004, 05:11 PM

Does acoustic foam conduct electricity? could it be shorting my crossovers when I put them in my box? They worked fine outside the box, but since I've put them in, they are no go.

markp · 27th August 2004, 05:15 PM

Take a DMM and put it on the highest resistance scale and measure between two points on the foam. If there is any movement on the scale go lower until you are in the right range to see it. There is such a thing as conductive foam used to prevent static buildup.

sberube · 27th August 2004, 06:18 PM

hmmm, weird enough, I didn't have any reading when testing the foam, but when I shielded all my connections, it started working great

Thanks for the help

27th August 2004, 05:11 PM	#1
sberube diyAudio Member Join Date: May 2004 Location: Charlotte, NC	conductability of acoustic foam Does acoustic foam conduct electricity? could it be shorting my crossovers when I put them in my box? They worked fine outside the box, but since I've put them in, they are no go.

27th August 2004, 05:15 PM	#2
markp diyAudio Member Join Date: Oct 2003 Location: L.A., CA	Take a DMM and put it on the highest resistance scale and measure between two points on the foam. If there is any movement on the scale go lower until you are in the right range to see it. There is such a thing as conductive foam used to prevent static buildup. __________________ If it sounds good... it is good!

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27th August 2004, 06:18 PM	#3
sberube diyAudio Member Join Date: May 2004 Location: Charlotte, NC	hmmm, weird enough, I didn't have any reading when testing the foam, but when I shielded all my connections, it started working great Thanks for the help

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