Hi guys, are all the GOM styles acoustically transparent or only certain ones?

Can anybody help me out here? :confused:



Edit: Woohoo; Post #1,000 is a plea for help!

any breathable double polyester fabric should do. However the ones touted for acoustic applications are FR701 style 2100.

Acoustical transparency is a matter of degree -- nothing is 100%. High frequencies are always attenuated to some degree. Generally, you need only be concerned within the Guilford line if you want to use a fabric as a speaker grill cloth, or if you have had a high-performance acoustical design done which critically relies on a specific sound absorption balance.

Regards,
Terry