Given the lateness of the hour, I could only snap a photo of the Italian Pearl Evolution Victor Ballerina 401/8 DPG loudspeaker ($14,000/pair) and grab a brochure. Slated for U.S. distribution, the three-way D'Appolito design with 89dB "sensibility"why do so many overseas companies dispense with professionals when they translate their literature into English?boasts a bass box that is equipped with a "Dynamic Pressure Gide (D.P.G) . . . a substantial and radical innovation in loudspeakers [sic] design. The D.P.G. differs from the usual internal bracingsthat only aim at reducing box vibrationsbecause it is intended to orientate a great part of air flow toward the CremonesiVenturi port, purportedly reducing air pressure on the box walls."
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