A loudspeaker

Details A loudspeaker A loudspeaker

H - Electricity

04

R

H04R 9/06 (2006.01) H04R 7/12 (2006.01) H04R 11/02 (2006.01)

Patent

CA 2299151

A special Hi-Fi tweeter having a ring-shaped dome portion with a retracted central portion fixed to the tweeter chassis was found to present an objectionable drop of re-sponse in the 18-20 KHz range. According to the invention this problem is eliminated or minimized in placing in front of said central area a forwardly projecting, gene-rally conical wave guide (18) that will minimize interfe-rences between sound waves radiated forwardly and inward-ly from the ring shaped dome. An alternative solution is to arrange, in front of a wider central portion, a shield member directly preventing external radiation from the critical central area, still without changing the shape of the diaphragm. However, also certain modifications are proposed, which may well be used in connection with ordi-nary dome speakers.

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