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The Duelund Coherent Audio/Tannoy Westminster Royal Special Edition Project article I wrote for Issue 70 of Positive Feedback was the most fun I've had writing about audio ever!  In that amazing project we took a 'no holds barred' approach to building ultra-high performance external crossovers for my Westminster Royal SE loudspeakers using the exotic, hand-crafted-in-Denmark, Duelund CAST capacitors, inductors,... Read More »

The Sophia Electric Family   Sophia Electric is a family owned and operated enthusiast audio company located in Vienna, Virginia, that designs & builds premium vacuum tubes, vintage-inspired Hi-Fi amplifiers & preamplifiers, and low-powered amplification simpatico loudspeakers, all of which are intended titillate the fancy of high-performance audio devotees & music lovers.  Sophia Electric also designs and builds various transformers, chokes, capacitors, and slow... Read More »