Sophia Electric Classic 300B Tubes (pairs) Power Amplifier the DA2i is built to

the DA2i is built to set new benchmarks in high-fidelity audio

a world of music is at your fingertips

Dual transformers render a beautiful sense of depth and dimension while a single-transformer design like the M15 stereo amplifier excels with impressive imaging and detail as both channels lock to a single transformer

That would be a mistake

and a low resonance level that was not thought achievable

Sophia Electric Classic 300B Tubes (pairs) Power Amplifier the DA2i is built toArt Audio only sells Grade A Tubes from Sophia Electric in matched pairs or quads. Introducing Sophia Electric Classic 300B & Aqua 274B After a few years of experiments and audition comparisons, Sophia Electric is proud to introduce Classic 300B tubes to the audiophile community. The Classic 300B has a unique blue glass but has the identical glass shape and metal plate structure of the vintage WE 300B. Most important, it has the soul and mid range