ELECTRICAL APPARATUS AND INSTRUMENTS AND AUDIO EQUIPMENT-NAMELY, PLAYERS, SPEAKERS, TUNERS, AMPLIFIERS, ELECTRIC PHONOGRAPHS, STEREO, QUADROPHONIC STEREO PHONOGRAPHS, PHONOGRAPH DISKS, PHONOGRAPH TAPES, MAGNETIC RECORDERS, COMBINED MAGNETIC RECORDERS AND REPRODUCER, CASETTE DECK, AND PARTS AND COMPONENTS THEREOF