100 watts power amplifier circuit based on BJT type transistors 2SC5200 transistors one (npn) one 2SA1943 (PnP) kalital have to design a circuit on the circuit in addition to about 1.5 seconds in speaker retarding’s solid. Diagrams in PDF... Electronics Projects, Hi Fi 100 Watts Power Amplifier Circuit 2SA1943 2SC5200 "audio amplifier circuits, transistor amplifier, " Date 2019/08/02