Electronic organ speaker with tremolo effect

Claim 1

IN A SOUND REPRODUCING SYSTEM FOR ELECTRIC ORGANS, THE COMBINATION OF A SOUND REPRODUCING SPEAKER ENCLOSING HOUSING OF SOUND RESONANT CHARACTER HAVING AN OPEN SIDE, VERTICALLY DISPOSED SPEAKER SURROUNDING PANEL SPACED INWARDLY FROM THE OPEN SIDE OF SAID CABINET, A PLURALITY OF SOUND REPRODUCING SPEAKERS MOUNTED UPON SAID PANEL AND DIRECTED TOWARD THE OPEN SIDE OF SAID CABINET, A ROTATING DISC SPACED FROM AND OPERATING IN A PLANE PARALLEL WITH SAID SPEAKER SUPPORTING PANEL HAVING OPENINGS CORRESPONDING IN DIAMETERS WITH THE DIAMETERS OF THE DIAPHRAGMS OF SAID SPEAKERS, CHARACTERIZED BY THE FACT THAT THE NUMBER OF OPENINGS IN SAID DISC DIFFER FROM THE NUMBER OF SPEAKERS CARRIED BY SAID PANEL, WHEREBY SOUND FROM SAID SPEAKERS WILL BE PERIODICALLY AND INDIVIDUALLY INTERRUPTED WITH A FADING IN AND FADIG OUT EFFECT AS SAID DISC IS ROTATED, AND MEANS FOR ROTATING SAID DISC ABOUT AN AXIS PARALLEL TO THE AXIS OF SAID SPEAKERS.