Posted by Ethan Winer (M) on February 18, 2006 at 08:51:59

In Reply to: On the subject of membrane absorbers... posted by GCNewsom on February 17, 2006 at 22:01:11:

GC,

You ask a lot of theoretical questions that I can't answer very well because I haven't tested all those combinations. If you have a specific problem at 54 Hz and want to build a panel trap, I'd use plywood 3/8 inch thick and calculate the cavity depth as needed.

--Ethan