Air speed in materials

Web Wolf · 5th September 2006, 12:04 PM

Hi, could someone tell me where to find a table with air speeds in fono isolators materials ?
This is very important for me to build a TL speaker !

Thanks
Bye

Ron E · 5th September 2006, 05:50 PM

I'd imagine it change somewhat with frequency. IF you want to design a TL, use the sheets at www.quarterwave.com

Ed LaFontaine · 6th September 2006, 12:22 AM

If you are interested in the speed of sound through various materials, this is a start.

http://en.wikipedia.org/wiki/Speed_of_sound

If you need something more specific, please tell us the materials you are considering. Here is a list.

http://www.bamr.co.za/velocity%20of%20materials.shtml

Ron E · 6th September 2006, 12:34 AM

Rather:
http://www.quarter-wave.com/

Ed, those articles are of no use to TL design. He want sound speed for various stuffing or insulating materials - and I suppose of various densities as well..... Martin's worksheets are pretty much the only readily available resource.

Web Wolf · 6th September 2006, 11:50 AM

First of all, thanks to all people who have responded me so fast !

Only one thing: what about a program that can import the woofer response and simulate TL effect ?

Thanks !

Web Wolf · 12th September 2006, 11:03 AM

up

5th September 2006, 12:04 PM	#1
Web Wolf diyAudio Member Join Date: Apr 2006 Location: Italy	Air speed in materials Hi, could someone tell me where to find a table with air speeds in fono isolators materials ? This is very important for me to build a TL speaker ! Thanks Bye

5th September 2006, 05:50 PM	#2
Ron E diyAudio Member Join Date: Jun 2002 Location: USA, MN	I'd imagine it change somewhat with frequency. IF you want to design a TL, use the sheets at www.quarterwave.com __________________ Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works. --Carl Sagan Science is a way of thinking much more than it is a body of knowledge. --Carl Sagan

6th September 2006, 12:22 AM	#3
Ed LaFontaine ...truth seeker... diyAudio Member Join Date: Feb 2004 Location: where the Appalachians rise from the Blue Grass	If you are interested in the speed of sound through various materials, this is a start. http://en.wikipedia.org/wiki/Speed_of_sound If you need something more specific, please tell us the materials you are considering. Here is a list. http://www.bamr.co.za/velocity%20of%20materials.shtml __________________ ...call me Ed...Special Ed... http://www.diyaudio.com/forums/swap-...enabl-kit.html http://www.diyaudio.com/forums/swap-meet/177054-omron-g6h-2-12vdc-relays-14.html#post2587758

6th September 2006, 12:34 AM	#4
Ron E diyAudio Member Join Date: Jun 2002 Location: USA, MN	Rather: http://www.quarter-wave.com/ Ed, those articles are of no use to TL design. He want sound speed for various stuffing or insulating materials - and I suppose of various densities as well..... Martin's worksheets are pretty much the only readily available resource. __________________ Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works. --Carl Sagan Science is a way of thinking much more than it is a body of knowledge. --Carl Sagan

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6th September 2006, 11:50 AM	#5
Web Wolf diyAudio Member Join Date: Apr 2006 Location: Italy	First of all, thanks to all people who have responded me so fast ! Only one thing: what about a program that can import the woofer response and simulate TL effect ? Thanks !

12th September 2006, 11:03 AM	#6
Web Wolf diyAudio Member Join Date: Apr 2006 Location: Italy	up

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