Sarah Pease borrows from David A. Mellis' open source speaker design and mates it with mason jars as enclosures. They not only have a great look, but different sizes and types of jars can be swapped out to create different sound signatures.
Computer Simulated Experiments for Electric Circuits Using Electronics Workbench Multisim (3rd Edition) by Richard H. Berube. $76.60. Edition - 3. Publisher: Prentice Hall; 3 edition (April 13, 2003). Publication: April 13, 2003