A quality 250w MOSFET amplifier circuit supply voltage + 67 – 67 volts, 134 volts symmetrical assembly and testing stages of testing, be careful. Pcb circuit drawings, layout and bill of materials are available. Output MOSFET 2SK1058 3 (N-Channel)... Electronics Projects, 250W Amplifier Circuit Modfet 2SJ162 2SK1058 "audio amplifier circuits, transistor amplifier, " Date 2019/08/02