BTJ type power amplifier module 2SC5200 NPN transistors can take a 6 and 6 2AS1943 connected. PCB design simple, not too complicated input and output connections Serenity … 30mA of current 25 to be set Symmetrical circuit supply voltage... Electronics Projects, 1000W Amplifier Circuit 2SC5200 2AS1943 "audio amplifier circuits, transistor amplifier, " Date 2019/08/03