Passive radiator baffle panel for drum type-percussion instrumen

Details Passive radiator baffle panel for drum type-percussion instrumen Passive radiator baffle panel for drum type-percussion instrumen

1992-03-16

1994-11-08

Gellner, Michael L.

Music

Instruments

Drums

181156, G01D 1302

Patent

active

053616693

ABSTRACT:
A passive radiator baffle which mounts to the side opposite the beater drumhead membrane side of acoustic drums and is used by musicians to enhance the live acoustic sound of these drum percussion instruments by adding low-frequency punch to their performance. This low-frequency response is achieved by selecting the mass of an acoustically suspended piston to provide tuning the drum enclosure to a selected frequency.

REFERENCES:
patent: 4146111 (1979-03-01), Mae et al.
patent: 4742753 (1988-05-01), Speed
patent: 4790228 (1988-12-01), Thirion
patent: 4805514 (1989-02-01), Billings
patent: 5095796 (1992-03-01), Genna
patent: 5159139 (1992-10-01), Beals et al.
Cohen, "Hi-Fi Loudspeakers and Enclosures" (2d ed) (Chapter 9) (1968).

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