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

In 12 chapters (Part I) this extension to the two 'The Sound of Silence' editions covers the development, calculation, construction and measurement of the fully differential (= balanced) phono-amp solution 'RIAA Phono-Amp Engine II'.Additionally, the bala

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

Balanced Phono-Amps

Burkhard Vogel

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

123

Burkhard Vogel Lab 6-11 Stuttgart Germany

Additional material to this book can be downloaded from http://extras.springer.com.

Additional material to this book can be downloaded from http://extras.springer.com. ISBN 978-3-319-18523-1 DOI 10.1007/978-3-319-18524-8

ISBN 978-3-319-18524-8

(eBook)

Library of Congress Control Number: 2015940724 Springer Cham Heidelberg New York Dordrecht London © Springer International Publishing Switzerland 2016 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. Printed on acid-free paper Springer International Publishing AG Switzerland is part of Springer Science+Business Media (www.springer.com)

To Beate

Preface

In 2011, the second edition of my “The Sound of Silence” (TSOS-2) book appeared on the markets. The integration of a broad range of valve solutions became the main difference to the first edition (TSOS-1). In the July/August 2014 volume of their JAES publication, the Audio Engineering Society published an article about “The Vinyl Frontier”1 showing remarkable sales quantities of vinyl LPs in the UK: from 200,000 in 2009 to 780,000 in 2013. At the same time, I read in US, French and German newspapers about an equally massive sales increase. Parallel to those increase in LP sales, very interesting newly developed turntables and phono-amplifiers of all kinds of technology entered (and still do) the markets. The price range is huge too and a price of ≥15,000.00 EUR/≥18,000.00 $ for a phono-amp or turntable is no longer impossible. Despite the still rather small overall quantities, vinyl is back again, and it produces reasonable revenues and profits. Having studied the above-mentioned editions of my books, the observant reader might stumble over the fact that the design of a fully balanced RIAA phono-amp is missing. Finally, in these books, all mathemat