As we’ve traced our no-nonsense path through the world of Hi-Fi audio ... supply into high power AC for the speakers. Thus the amplifier is only one part of the circuit, and speakers, amplifier ...

It’s a conventional tube amplifier circuit in which the triode is a preamplifier for the pentode power output stage. The pentode is running in class A mode, and the high impedance of its output ...

The SERENADE Wireless amp circuit is based on a Class A design, supplemented by a precisely matched, discrete transistor amplifier circuit, with dozens of power transistors that are precisely matched, ...

Two internal compartments and strategically placed shields isolate high and low-power circuits ... audio system. Pricing & Availability: The new Marantz MODEL 10 Reference Integrated Amplifier ...