10Jul2005

Harbeth's history in speaker cone research

The heart of today's Harbeth sound is our unique, Patented, RADIAL cone material. It has an interesting legacy. On 19 March 1976, our founder, H. D. Harwood of the BBC Research Department, filed a Patent application (1563511) claiming that polypropylene could be used as a loudspeaker cone material, ...

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