Stereo Masterclass

Doubling an amplifier’s power delivers, at most, three extra decibels of unclipped headroom — a genuinely modest gain most listeners would guess was far larger. A slightly louder presentation is reliably perceived as clearer and more detailed, even when nothing about its actual quality has changed, which is exactly why a volume-knob position is not a measurement. And a turntable’s mechanical compromises don’t need to stay mysterious: understood and correctly set, they make the format’s pleasures greater, not smaller.

This volume gives two-channel music its own masterclass: the phantom centre and soundstage as a genuine spatial illusion, loudspeakers and amplification chosen for a defined role rather than reputation, digital sources and vinyl replay handled as real engineering systems, then a complete placement and room-integration method that lets the equipment disappear behind the music. It closes with fair comparison, a deliberate stopping rule, and honest diagnosis of the problems that actually turn up.

Equipment taxonomy, evidence-led comparison and purchasing belong to Volume VIII, The Audio Equipment Guide; recordings, formats, services and preservation belong to Volume IX. A persistent or safety-relevant fault has its own volume too, Volume VII, and the fuller, cross-domain treatment of getting more from a system you already own is Volume II, Practical Optimisation. What this book gives instead is the discipline that makes all four worth having — a system whose technology becomes progressively less noticeable, so that what’s left is the performance.