Reflective acoustical damping device for rooms

Details Reflective acoustical damping device for rooms Reflective acoustical damping device for rooms

E - Fixed Constructions

04

B

181/14

E04B 1/74 (2006.01) E04B 1/82 (2006.01) E04B 1/84 (2006.01)

Patent

CA 1229801

REFLECTIVE ACOUSTICAL DAMPING DEVICE FOR ROOMS Abstract An acoustical device for damping and absorption of certain frequences in a room and including a surface which functions as a low pass filter to maintain low frequency absorptive proper- ties without reducing the acoustical brightness of the room. The device may be embodied as a piece of free standing room furniture. A capped tube of the device defines an internal ambient air chamber. Exteriorly of the tube is a perforate sound reflective member. The perforation size and spacing function as a mechanical low pass cross-over system. A cross-over option is presented to include an imperforate limp mass sheet covering at least partially the absorbent tube surface.

491509

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