Multiple-loudspeaker system
First Claim
1. A MULTIPLE LOUDSPEAKER SYSTEM COMPRISING A BOX HAVING A FRONT BAFFLE AND A BASE, A WOOFER SPEAKER MOUNTED ON SAID BAFFLE ABOUT A PORT ADJACENT THE LOWER END THEREOF, A TWEETER SPEAKER MOUNTED ON SAID BAFFLE ABOUT A PORT ADJACENT THE UPPER END THEREOF, SAID SPEAKERS RADIATING FORWARDLY THROUGH SAID PORTS, A VERTICAL CENTERBOARD DIVIDING SAID BOX INTO FRONT AND REAR SECTIONS, A HORIZONTAL DECK DISPLACED ABOVE SAID BASE AND SUPPORTED BETWEEN THE LOWER EDGE OF SAID BAFFLE AND THE LOWER EDGE OF SAID CENTERBOARD TO DEFINE A SLOT COMMUNICATING BETWEEN SAID REAR SECTION AND THE FRONT OF SAID BOX, AN ACOUSTIC RESISTANCE UNIT FORMING THE UPPER PORTION OF SAID CENTERBOARD WHEREBY SOUND EMANATING FROM THE REAR OF SAID WOOFER SPEAKER TRAVELS IN A TRANSMISSION PATH ALONG THE FRONT SECTION OF SAID BOX AND THROUGH SAID RESISTANCE UNIT INTO THE REAR SECTION THEREOF, THE SOUND THEN BEING PROPAGATED DOWNWARDLY THROUGH SAID REAR SECTION AND OUTWARDLY THROUGH SAID SLOT.
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1 Claim
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1. A MULTIPLE LOUDSPEAKER SYSTEM COMPRISING A BOX HAVING A FRONT BAFFLE AND A BASE, A WOOFER SPEAKER MOUNTED ON SAID BAFFLE ABOUT A PORT ADJACENT THE LOWER END THEREOF, A TWEETER SPEAKER MOUNTED ON SAID BAFFLE ABOUT A PORT ADJACENT THE UPPER END THEREOF, SAID SPEAKERS RADIATING FORWARDLY THROUGH SAID PORTS, A VERTICAL CENTERBOARD DIVIDING SAID BOX INTO FRONT AND REAR SECTIONS, A HORIZONTAL DECK DISPLACED ABOVE SAID BASE AND SUPPORTED BETWEEN THE LOWER EDGE OF SAID BAFFLE AND THE LOWER EDGE OF SAID CENTERBOARD TO DEFINE A SLOT COMMUNICATING BETWEEN SAID REAR SECTION AND THE FRONT OF SAID BOX, AN ACOUSTIC RESISTANCE UNIT FORMING THE UPPER PORTION OF SAID CENTERBOARD WHEREBY SOUND EMANATING FROM THE REAR OF SAID WOOFER SPEAKER TRAVELS IN A TRANSMISSION PATH ALONG THE FRONT SECTION OF SAID BOX AND THROUGH SAID RESISTANCE UNIT INTO THE REAR SECTION THEREOF, THE SOUND THEN BEING PROPAGATED DOWNWARDLY THROUGH SAID REAR SECTION AND OUTWARDLY THROUGH SAID SLOT.
Specification