I made the box for my sub on the large side on purpose if I ever decide to go ported. I need to reduce the volume by about 1 cf. I have a bunch of books in there right now but the way I have the bracing set-up I really need to custom fit something. I know most people just use 2x4s cut and glued/screwed but I'm curious if there's anything lighter I could use. With the box + sub + amp this thing already weighs around 100 lbs.
Some people have mentioned foam sheet insulation but I question whether this is dense enough. Is there anything any of you have used/would recommend that would effectively reduce volume while being lighter than wood?
I made the box for my sub on the large side on purpose if I ever decide to go ported. I need to reduce the volume by about 1 cf. I have a bunch of books in there right now but the way I have the bracing set-up I really need to custom fit something. I know most people just use 2x4s cut and glued/screwed but I'm curious if there's anything lighter I could use. With the box + sub + amp this thing already weighs around 100 lbs.
Some people have mentioned foam sheet insulation but I question whether this is dense enough. Is there anything any of you have used/would recommend that would effectively reduce volume while being lighter than wood?