![]() I normally listen to MartinLogan Vista electrostatics and I have come to like the sound field they present. Clearly not as simple as the original system but I felt the changes worth the effort. I ended up with a larger baffle, a different woofer, a symmetrical crossover, and the inclusion of a rear firing tweeter. I additionally used the worksheet xbaffle.xls (ZIP 692kB) (written by Thorsten Loesch and permitted only for non-commercial use) and the LDC7 worksheet (from the Loudspeaker Design Cookbook by Vance Dickason) to test various aspects of the speaker system before actually constructing it or making changes. In exploring the possibilities of open baffle speaker systems I reviewed numerous sources to gain an understanding of how they function. My target cost was to build a pair of open baffle speakers for under $150US. That Big Air open baffle is a simple good sounding system based on a different woofer, smaller baffle and does not incorporate a few other things that I have added. This project was inspired by the “Big Air” open baffle system by Jim Strasser (please contact me for additional information regarding that system).
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