BJT transistor amplifier circuit 400w output transistors 4 tip41c quite strong and tip42c 4pcs 2 × 46 volts DC supply voltage + – symmetric power supply. Output power supply AC 12 amp amp 2x33v proposed for transformer circuit connecting... Electronics Projects, 400W Transistor Power Amplifier Circuit "audio amplifier circuits, transistor amplifier, " Date 2019/08/02