July 2013
Intermediate to advanced
486 pages
17h 2m
English
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Chapter 11
A Complete Preamplifier
In this chapter a complete preamplifier is described, to bring to life the various circuit blocks described in other chapters. The design is basically that of the ‘Precision Preamplifier 96’ published in Electronics World in July–September 1996 [1]. The description here is fairly concise because most of the circuit blocks are fully described in the relevant chapters of this book.
Architecture and Philosophy
The preamplifier architecture is as established in Chapter 6. The moving-magnet (MM) phono amplifier gain is +29 dB, raising an input of 5 mVrms (all gains and levels are at 1 kHz) to a line-out level of 150 mVrms nominal, matching equipment levels that appear to have reached some sort of consensus on this ...