Balanced Phono-Amps An Extension to the 'The Sound of Silence' Editi

This extensively reworked 2nd edition of the book includes ten new chapters. It also features an updated discussion of simulation software tools, covering topics such as simulating complex and / or expensive amplifier structures with the free LTspice soft

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Balanced Phono-Amps An Extension to the ‘The Sound of Silence’ Editions Second Edition

Balanced Phono-Amps

Burkhard Vogel

Balanced Phono-Amps An Extension to the ‘The Sound of Silence’ Editions Second Edition Primary Focus: Lowest Noise Solutions with Triodes and Solid-State Devices • Calculated • Simulated • Measured

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Burkhard Vogel Lab 6-11 Information and Audio Technology Stuttgart, Germany

Additional material to this book can be downloaded from http://extras.springer.com. ISBN 978-3-030-11228-8 ISBN 978-3-030-11229-5 https://doi.org/10.1007/978-3-030-11229-5

(eBook)

Library of Congress Control Number: 2018966841 1st edition: © Springer International Publishing Switzerland 2016 2nd edition: © Springer Nature Switzerland AG 2019 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors, and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. The publisher remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. This Springer imprint is published by the registered company Springer Nature Switzerland AG The registered company address is: Gewerbestrasse 11, 6330 Cham, Switzerland

To Beate

Preface to the 2nd Edition

This 2nd edition marks a turning point in my life as analogue audio amplifier enthusiast. In the past as General Manager and/or CEO of several softwareproducing companies I had to learn to live with the sometimes rather strange looking attitudes towards customers. What I mean is the way of developing and selling software by use of astonishing approaches with eg taking customers by surprise with huge announcement actions, offering of beta versions, steadily shipping of releases to improve incomplete or defective versions, collecting of improvements via ‘let the customers do the job demands’, continuous and never-ending bug fixing, etc. These software related experiences triggered my mistrust most when it comes to acceptance questions concerning simulation software for audio equipment and their devices. Nevertheless, I had to learn that during the past three decades things