Acoustics – Diaphragm and enclosure – Reflex baffle
Patent
1995-08-18
1997-04-22
Dang, Khanh
Acoustics
Diaphragm and enclosure
Reflex baffle
H05K 500
Patent
active
056231326
ABSTRACT:
A modular port turning kit for tuning a speaker enclosure. Two flared sections, a straight section, and a pair of cylindrical connectors are included in a kit. The straight section is cut to length to configure the port to have an enclosed volume of a size needed to tune a particular speaker enclosure. The straight section has a wall thickness and profile size which forms a butt junction with the junction end of the flared section. The connectors fit over the cylindrical peripheries to provide an interference fit when the sections are joined. The sections are all of thermoplastic material to provide sufficient rigidity. After testing, adhesive can be used to secure the butt junctions to form a permanent installation.
REFERENCES:
patent: D359958 (1995-07-01), Frodelius
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patent: 4201274 (1980-05-01), Carlton
patent: 4213515 (1980-07-01), Laupman
patent: 4284166 (1981-08-01), Gale
patent: 4549631 (1985-10-01), Bose
patent: 4696369 (1987-09-01), Dodrill
patent: 4928788 (1990-05-01), Erickson
patent: 5117938 (1992-06-01), Whanhaeng
patent: 5170436 (1992-12-01), Powell
patent: 5286928 (1994-02-01), Borland
patent: 5406637 (1995-04-01), Gonzalez
Owner's Manual "The Punch" Aeroport Tube--Rockford Fosgate, May 1994.
Dang Khanh
Precision Sound Products, Inc.
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