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(2012) by Morgan Jones is a comprehensive reference for the design, construction, and maintenance of high-fidelity vacuum tube audio equipment. This edition expands on previous versions by shifting focus from distortion reduction to background noise reduction and introducing modern components like semiconductor constant current sources. Core Content Overview
– Covers fundamentals such as Ohm's Law, Kirchhoff's Laws, filters, and decibels. Valve Amplifiers, Fourth Edition
– Provides practical criteria for selecting resistors, capacitors, magnetic components (transformers/inductors), and the physical structure of valves.
: A new section in Chapter 1 specifically addressing charge amplifier design. The text is available through academic and retail
: Explores "statistical regulators" using stacks of Zeners to achieve lower noise compared to single high-voltage Zeners.
– Focuses on input selection, volume/tone controls, and detailed RIAA stage design for vinyl playback. Key Updates in the Fourth Edition Core Content Overview – Covers fundamentals such as
: Introduces new power amplifier designs and a hybrid balanced RIAA stage.