Speaker enclosure

Claim 1

A SPEAKER ENCLOSURE COMPRISING, IN COMBINATION, A RELATIVELY RIGID EXTERIOR HOUSING COMPRISING AN ELONGATED CYLINDER OF THIN-WALLED, NON-METALLIC TUBING OF LENGTH SUBSTANTIALLY GREATER THAN ITS DIAMETER AND A PAIR OF RELATIVELY FLAT END CAPS CLOSING THE ENDS OF SAID CYLINDER, AND A RELATIVELY FLAT RIGID INTERIOR DIVIDER PANEL OF GENERALLY RECTANGULAR CONFIGURATION IN OFFSET POSITION WITHIN THE HOUSING AND SUBTENDING A MINOR ARCUATE PORTION OF THE CYLINDER; WITH TWO OPPOSITE EDGES OF THE PANEL SECURED TO THE INTERIOR SURFACE OF THE HOUSING AND DIVIDING THE INTERIOR OF THE HOUSING INTO A RELATIVELY SMALL FRONTAL CHAMBER AND A SUBSTANTIALLY LARGER REARWARD CHAMBER, AND WITH AT LEAST ONE OF THE OTHER EDGES OF THE PANEL INWARDLY SPACED FROM A PORTION OF SAID HOUSING SO AS TO DEFINE A SPACE THEREBETWEEN; SAID CYLINDER BEING HELD UNDER LONGITUDINAL COMPRESSION AND SAID END CAPS BEING UNDER TENSION AND FLEXED FROM NORMAL PLANAR POSITION BY A TIE ROD EXTENDING THROUGH SAID CYLINDER AND SECURED IN A CENTRAL POSITION WITH RESPECT TO EACH OF SAID END CAPS; THE PANEL HAVING AN ACCOMMODIATING SPEAKER MOUNTING APERTURE INTERMEDIATE ITS ENDS, A SPEAKER MOUNTED IN SAID ACCOMMODATING APERTURE, THE EXTERNAL CYLINDER WALL HAVING A PLURALITY OF SOUND DISCHARGE APERTURES THEREIN GENERALLY INWARDLY SPACED FROM SAID OTHER EDGES OF SAID PANEL AND IN SUBSTANTIAL REGISTRY WITH THE APERTURE IN THE PANEL, WHEREBY SAID REARWARD CHAMBER IS JOINED TO SAID FRONTAL CHAMBER BY AT LEAST ONE DUCT EXTENDING AROUND AN EDGE OF THE AFORESAID DIVIDER PANEL AND TOWARD THE SOUND DISCHARGE APERTURES IN SAID EXTERNAL CYLINDER WALL.