Thirty-four years building premiere Triode, Class A, balanced OTL amplifiers and balanced all-tube preamplifiers; proven top audio performers.

Electronics for those who prefer music: customer comments

Our patented Circlotronic® circuitry is a direct, simple and elegant means of making music, from source to loudspeaker. Balanced Differential Design® is our total design philosophy- a balanced approach to audio.

"These OTL amps are arguably the most beautiful sounding amps in the world regardless of price"
Handwired with our custom wire, custom resistors, custom capacitors and the ultimate circuitry- the good stuff!

The Mk 3.1 lineup is now in production!