Micromega’s M-One 100 Integrated Amplifier incorporates a room-correction option, Bluetooth reception, and Internet radio. It houses a 100Wpc class-AB amp with a switch-mode power supply. There’s also an MM/MC phono stage and a 24/786 DAC with DSD capability. The M-One 100 retails for $3999
Basic concepts of linear regulator and switching mode power supplies: This article explains the basic concepts of linear regulators and switching mode power supplies (SMPS). It is aimed at system engineers who may not be very familiar with power supply designs and selection.
Component, Assist Me In Designing A High Current Variable Voltage Switch Mode Power Supply Circuit Diagram Atx Sche Schematic Elenco Hp Dc Using Lm317 Pc Radio Shack 100 Kv Kit From Fixed Regulator: variable voltage power supply