Hello Pug,
It sounds like you are after speaker cloth. I bought mine at a local textiles store.
But otherwise, google is your friend. I just typed "speaker cloth" into google and there are half a dozen online shops that sell this cloth on the first page.
http://www.google.com.au/search?hl=en&q=speaker+cloth&btnG=Google+Search&meta=
Best of luck!
It sounds like you are after speaker cloth. I bought mine at a local textiles store.
But otherwise, google is your friend. I just typed "speaker cloth" into google and there are half a dozen online shops that sell this cloth on the first page.
http://www.google.com.au/search?hl=en&q=speaker+cloth&btnG=Google+Search&meta=
Best of luck!