ZEN amp Nelson Pass had 94 published an article where he described the realization of ZEN amplifier, a MOSFET amp class A 10-watt extremely simple or rather simple in the extreme.The reading of the article and studying the pattern... Electronics Projects, ZEN Class A Amplifier Circuit IRFP140 IRFP9240 "audio amplifier circuits, transistor amplifier, " Date 2019/08/01