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February 7, 2022 at 3:27 pm
#1090
Anonymous
The PX (professional extension) core technology was used by both the Prostat 922 along with other models around the same time. The narrow angle 922 was intended for use in horizontal arrays as Ray Kimber demonstrated for a couple of years at RMAF and Vegas. While he used three, four across produces a darn big 90 degree speaker!