Speaker system for adding tremolo

Claim 1

IN A MUSICAL INSTRUMENT: A SET OF GENERATORS FOR PROVIDING ELECTRICAL IMPULSES CORRESPONDING TO NOTES IN A COMMON MUSICAL RANGE EXTENDING THROUGHOUT SEVERAL OCTAVES; EACH OF THE GENERATORS HAVING A CHARACTERISTIC FUNDAMENTAL FREQUENCY CORRESPONDING TO A NOTE; FIRST ELECTRICAL OUTPUT CONNECTION MEANS; SECOND ELECTRICAL OUTPUT CONNECTION MEANS; FIRST CIRCUIT MEANS OPERATED BY AT LEAST SOME OF THE GENERATORS PROVIDING AT SAID FIRST ELECTRICAL OUTPUT MEANS, IMPULSES CORRESPONDING TO THE RESPECTIVE FUNDAMENTAL FREQUENCIES OF THE GENERATORS RELATIVELY FREE OF THEIR CORRESPONDING HARMONIES; SECOND CIRCUIT MEANS OPERATED BY AT LEAST SOME OF THE GENERATORS AND PROVIDING AT SAID SECOND ELECTRICAL OUTPUT MEANS, IMPULSES CORRESPONDING TO TONES RELATIVELY RICH IN HARMONICS; A FIRST SPEAKER SYSTEM CONNECTED TO SAID FIRST ELECTRICAL OUTPUT CONNECTION MEANS; A SECOND SPEAKER SYSTEM CONNECTED TO THE SECOND ELECTRICAL OUTPUT CONNECTION MEANS; AND ROTARY APPARATUS OPERATIVELY ASSOCIATED WITH SAID FIRST SPEAKER SYSTEM FOR ADDING PULSATO ACOUSTICALLY TO THE SOUND ISSUING FROM THE FIRST SPEAKER SYSTEM IN AN AMOUNT MARKEDLY GREATER THAN THE AMOUNT OF PULSATO ADDED ACOUSTICALLY, IF ANY, TO THE SOUND ISSUING FROM SAID SECOND SPEAKER SYSTEM.