Hello Everyone,

I can't seem to get any 703. What could I use
instead? I ordered some but it hasn't come in.
The bass traps I'm building are 2'x 8'x 8" deep.
Thanks in advance for any help.

3,

> I can't seem to get any 703. What could I use
instead? <

You can use rigid mineral wool or rigid rock wool.

Have a look at the Acoustics FAQ, second in the list on my Articles page:

http://www.ethanwiner.com/articles.html

There you'll find links to a number of manufacturers that make these materials, and you can call or email to ask for the names of some dealers near you. Also look in the Yellow Pages under Insulation Suppliers, and also Heating and Air Conditioning Suppliers.

--Ethan