250 Watt amp circuit previously shared 2x100W circuit developed beefed supply voltage 2x75v DC symmetrical in total 150V working with the output transistor-the 2SC3858 this transistor is not found instead 2sc5200 used in this case, the number of transistors... Electronics Projects, Transistor Amplifier Circuit 250W 2SC3858 "transistor amplifier, " Date 2019/08/03