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Audio Research’s new flagship monoblock power amp is a serious high-end powerhouse
The Reference 330M is a fully balanced pentode design with a hybrid power input and power supply circuitry with an all-valve signal path. The amp’s output stage uses six KT170 valves ...
IEEE3d
The pentode gyrator
Abstract: The gyrator is a lossless nonreciprocal coupling element introduced by B.D.H. Tellegen (1948). It is a four-terminal network element. It is the purpose of this paper to illustrate a theory ...