Stereophile's August 2021 issue contained further looks and listens to two high-performance products: the Audio Research REF 6SE line preamplifier and the AudioQuest Niagara 3000 Low-Z Power Noise-Dissipation System.

We hold these truths to be self-evident, that all men are created equal.

A great concept—sound enough to serve as the foundation for an independent democratic nation.

Yet what's sound in one sphere doesn't necessarily apply to sound in another, namely the rooms in which our systems reside. As much as we audiophiles may wish to declare our independence from room resonances, image smearing from first-order reflections, slap echo, and every other environmental and speaker-related factor that can handicap system performance, no mere declaration will make it so. Not all rooms—and not all components—are created equal.