![]() ![]() The HF voice coil is made of high temperature copper wire bonded to a "kapton" former fitted onto the outside of the diaphragm's skirt. The HF diaphragm is made from an alloy of aluminum and magnesium and suspended by a inert molded nitrile rubber surround. There is a dual magnet assembly for the HF section with its "tulip" waveguide and the LF section with its injection molded polypropylene cone. With all sound emanating from a single "point source", the dual concentric driver concept has been the chief advantage and mainstay of the Tannoy design. The eight-inch Tannoy Dual Concentric type 2046 driver is used in the 800A. Designed for the recording studio, the 800A's operate with no sonic difference when placed on the meter bridge of the mixing console in either "landscape" (horizontally) or "portrait" (vertical) position. The Tannoy System 800A Active Monitor uses a dual concentric eight-inch driver and two specially-designed power amplifiers with active crossovers.
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