Quality power Amplifier circuit a famous brand’s clone version of the “Krell KSA-50” 8Ω speaker with a 70w rms power can give is said output transistors mj21193 and mj21194 circuit schematic, printed circuit board views from the top all... Electronics Projects, 150W Power Amplifier Circuit MJ21194 MJ21193 Transistor "audio amplifier circuits, transistor amplifier, " Date 2019/08/02