Slim, is that open or closed cell?
Slimpikkins,Tubed, I believe it is closed cell. There is heavy adheasive on the back of it so it would be closed off. Not sure if it is the same as factory, I could not hear a difference when I replace it.
Chris, sorry I just saw. This now. It is new from parts express. You might find the same thickness for the RSIIIa/b. Check out the link I posted above.Slimpikkins,
The material around your EMIT & Mids, is that new or is that original? I'm looking for a source for that stuff for my RS IIIa & IIIb speakers. Of course if you touch it now, it just crumbles, so I want to replace it. Maybe put some on my 4b's. There's a local shop that will cut it, I have the pattern laid out, but need the material.
Thanks, Chris
Slimp,Charcoal open cell foam from The Foam Factory (https://www.thefoamfactory.com/opencellfoam/opencellfoam.html) is what you want. They have it in regular and firm in a large variety of thicknesses. Prices are very fair, too. Of course, they have many other types of foam products as well, including acoustic foam for room treatment applications.