The single channel 200W version of the amplifier shared in the article 400w (2X200w) Transistor Amplifier Circuit was designed as small as possible in PCB size. The power transistors of the 200W Afi circuit do not require the classic... Electronics Projects, 2SA1943 2SC5200 200W Amplifier Circuit "audio amplifier circuits, transistor amplifier, " Date 2021/01/12