Electrical communication apparatus and instruments, namely, telephones, answering machines, radio telephones, facsimile machines; instruments for reproducing, recording, transmitting, receiving, producing or editing sound or images or for processing audio or video signals, namely, television sets, radios, acoustic diaphragms, loudspeakers, speaker systems and cabinets therefor, horns for loudspeakers, musical juke boxes, record players, compact disc players and recorders, cassette players and...