This book is the essential reference for the designers of sound of power amplifier and the engineers. Douglas author Car covers all the subjects with the distortion and the linearity, power supplies, the protection, the reliability and the design. Also he approaches the unusual forms of indemnification and unexpected sources of which one takes place like condensers and fuses. This very extended and updated fifth edition includes four new chapters, one of them dedicated at the outset to XD crossing of displacement, invented by the author, and used by Audio Cambridge. The book has a great amount of new material in the architectures of amplifier of four stages, current mirrors, the transistors of power with internal diodes of detection, amplifier in bridge, the subtle mechanisms of distortion, distortion of phase of entrance in common way, stages double entered, the stability of the amplifier, with exit stages gain, the transforming and the fields of humming, the suppression of irruption current, servo DC design, the heat screen, the subtilities of control of the refrigeration ventilator, advanced stages of line entrance, design of extreme under noise, low discharge and of step filtrate, the tests and the security, the red infrastructure of control, activation of the signal, trigger of 12V, indication of level and much more. It has much more ample of material of professional power amplifiers that are used in reinforcement of sound and applications of sound equipment. This book is an essential tool for the professionals of audio power amplifier and audiófilos, the fan constructors and any person with intellectual curiosity about the fight towards the technical excellence. * It provides everything what you want to know in a single volume, that offers an essential guide for the directors of design and the practice * It includes numerous graphs and easy to read a design to illustrate the points and to help the complete understanding. * It includes the designs of the own author of the amplifier for the readers to be useful and to adapt.

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