Custom featherlight musical speaker enclosures

Details Custom featherlight musical speaker enclosures Custom featherlight musical speaker enclosures

1992-04-09

1993-06-08

Gellner, Michael L.

Acoustics

Sound-modifying means

Housing or enclosure

181151, A47B 8100, H05K 500

Patent

active

052181766

ABSTRACT:
Lightweight speaker cabinets manufactured from acoustical composite panels having unique acoustical and structural properties, include an acoustical composite laminate consisting of a porous inner core of closed cell rigid urethane foam which is bonded to fiberglass rovings or skin by means of polyester resin and resin tie blocks, interconnecting the exterior and interior roving and core.

REFERENCES:
patent: 4109983 (1978-08-01), Kinoshita
patent: 4596305 (1986-06-01), Jagborn
patent: 4964482 (1990-10-01), Meyer

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