Why Isodynamic? Contrary to a conventional dynamic driver, these transducers have a driving force distributed evenly over the whole are of their vibrating elements. The key element of the RT2C-A and the RT2H-A is the membrane, which consists of Kapton film with a pattern of aluminum conductors. The conductors cover about 90% of the whole vibrating area. The membrane assembly is placed precisely between two rows of Neodymium and Barium Ferrite bar magnets. A larger membrane area provides higher power handling and substantially extended low-end cut-off frequency. The aluminum mounting flange, with flared wave-guide, controls the frequency response and directivity of the tweeter.

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