Bohlender Graebener Neo3pdr Planar Transducer
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The Neo3 PDR represents a new breakthrough solution in planar transducer technology from Bohlender Graebener Corporation. Its patent pending innovative PDR design is based on our Neo3 tweeter and stands for Progressive Drive and Radiation technology. The Neo3 PDR has a strategically arranged magnet system that drives the voice coil with a distributed electromagnetic force that resembles the natural shape of the diaphragm displacement at lower frequencies. Also, the Neo3 PDR diaphragm has a very specific resistive acoustical loading that is accomplished by locating absorbing material in close proximity to the diaphragm periphery. This contact-free resistive loading does not reduce effective diaphragm size or increase diaphragm mass. The Neo3 PDR design implements a progressive reduction of the radiating area of the diaphragm to a very narrow 15mm slot with increase of frequency providing smoother frequency response and wide horizontal dispersion even at the highest frequencies. The Neo3 PDR is similar to the standard Neo3 but with greater high-frequency extension at the expense of reduced sensitivity.