ELECTRICAL APPARATUS AND INSTRUMENTS-NAMELY, ELECTRIC MONORAL, STEREO, AND QUADROPHONIC STEREO PHONOGRAPHS, PHONOGRAPH DISKS, PHONOGRAPH TAPES RECORD MASTER, RECORD MOTHER, RECORD STAMPER, MAGNETIC RECORDERS, COMBINED MAGNETIC RECORDERS AND REPRODUCERS, MONORAL, STEREO, AND QUADROPHONIC STEREO AMPLIFIERS, AND PARTS AND COMPONENTS FOR ALL OF THE ABOVE