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LOUDSPEAKER SYSTEM

  • US 3,727,004 A
  • Filed: 02/16/1971
  • Issued: 04/10/1973
  • Est. Priority Date: 12/04/1967
  • Status: Expired due to Term
First Claim
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1. A loudspeaker system comprising, means defining a substantially fluid tight enclosure having generally parallel back and front panels, high compliance woofer means secured to said front panel facing outward from said enclosure for radiating energy directly into a listening area, a source of at least first and second upper frequency radiated beams supported on the top of said enclosure outside said enclosure and oriented for radiating energy having rearward components and oppositely directed sideward components comprising first and second loudspeakers respectively facing rearwards and sidewards to opposite sides, a pair of input terminals, means for connecting said woofer means to said input terminals, and frequency sensitive passive attenuating means for coupling said loudspeakers in phase to said input terminals for transmitting signals from said input terminals to said source only above a predetermined low frequency while providing said loudspeakers more energy as a function of increasing frequency to coact with said woofer means to establish for said loudspeaker system a substantially uniform radiated power response as a function of frequency when normally positioned in a room with said back panel adjacent and substantially parallel to a wall and said front panel facing the listening area.

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