After I finished my PZM capsule "pick-ups," it only took me an half hour to build the Lamm L2 unit out of 1/4" think foam core. Two 20" X30" sheets were sufficient. The slowest part was figuring out the layout for the base. The L2 definitely produces a curious stereo image. Localization is quite good. As described in the Crown Application Guide, mounting the DIY PZM capsules on a boundary smaller than 4 ft. by 4 ft. does attenuate some low frequencies. You can take a listen/look at some files and sonograms I assembled here. Rob D.
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