[ Amplifiers; Audio speakers; Cabinets for loudspeakers; ] Capacitors; [ Choking coils for use in electrical apparatus; Electric resistances; Electrical plugs and sockets; Electron tubes; Fuse wire; Light emitting diodes (LEDs); ] Loudspeakers; Printed circuit boards; [ Step-up transformers; Transformers; Vacuum tubes for radios; ] Electric connectors