From: utzoo!decvax!harpo!eagle!mhtsa!alice!npoiv!eisx!pyuxll!abnjh!filed01 Newsgroups: net.audio Title: Re: speaker cabinet materials Article-I.D.: abnjh.111 Posted: Wed Mar 23 15:46:50 1983 Received: Fri Mar 25 21:28:44 1983 References: reed.248 floyd.1336 There is a wealth of material on speaker cabinet design in a book by G.A. Briggs. It covers speaker enclosures using your fireplace, block walls, etc. It was published in the 50`s, and may be in a good engineering library. Herman Silbiger