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2011 | OriginalPaper | Chapter

1. Amps, Pre-amps, Pre-pre-amps

Author : Dipl.-Ing. Burkhard Vogel

Published in: The Sound of Silence

Publisher: Springer Berlin Heidelberg

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Abstract

The purpose of this book is an economic one: to enable the reader to calculate certain noise related aspects of a phono-amp before building it up, thus, saving a lot of energy and time as well as avoiding needless expenses. That’s why I won’t debate whether the black box between the output of a turn-table and the input of an amplifier (amp) with the volume control is a pre-amp or a pre-pre-amp or what ever it will be. This book follows the purpose and that will be the only story to tell.

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Footnotes
1
Reference, trackability and frequency test record no. 10 99 112, Deutsche Grammophon Gesellschaft.
 
2
More on reference level details: see Chap.​ 3.
 
3
This calculation is true only in case of equal cutting modulation of the cartridge’s test record and the DIN test record, otherwise, see Chap.​ 3.
 
4
Details see Chap.​ 3.
 
5
RIAA: Record Industry Association of America.
 
6
“Ultra-Low-Noise Preamplifier for Moving-Coil Phono cartridges” E. H. Nordholt, R. M. van Vierzen, JAES 1980-April, Volume 28, no. 4.
 
Metadata
Title
Amps, Pre-amps, Pre-pre-amps
Author
Dipl.-Ing. Burkhard Vogel
Copyright Year
2011
Publisher
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-642-19774-1_1