AFC, AF amplifier, RF amplifier, amplifier, baffle, bypass, cabinet, capacitor, chassis, coil, condenser, console, detector, dial, exciter, filter, frequency control, heater, heterodyne, housing, inductor, knob, lead-in wire, on-off switch, output transformer, parasitic suppressor, phase control, potentiometer, power pack, power plug, power supply, power transformer, preamplifier, preselector, program discriminator, radio-frequency amplifier, radio, radio set, radio telescope, receiver, receiving set, resistor, rheostat, selector, selsyn, set, speaker, tone control, transformer, transistor, trimmer, volume control, wave trap, wireless, wireless set