Anfi circuit output stage GT20D201 (p-channel IGBT) and GT20D101 (n-channel IGBT) used quite a quality amp circuit printed circuit board design also pretty stylish circuit 8 ohm speakers with 88W 4 ohm speakers with 146w RMS real power can... Electronics Projects, 160W IGBT Amplifier Circuit "audio amplifier circuits, transistor amplifier, " Date 2019/08/01