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Balanced Audio Technology VK-55SE Power Amplifier The VK-55SE is a 55 Wpc valve power amplifier that uses four 6C33C-B triodes in push-pull mode.  BAT introduced the 6C33Cs and 6H30s to the West in the 1990s and probably have more experience with them than any other company.  The amp also uses 6H30s and 6SN7s.  It comes with three new power valves and one that may or may not be faulty (I have no way of testing it).   The amp is 4 1/2 years' old and has done little work, mainly driving a a pair of MF Superchargers.  I sold the Superchargers in 2021 and it hasn't been used since then.  I am the

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About Balanced Audio Technology

Balanced Audio Technology (BAT) emerged in 1995 in the United States, founded by Steve Bednarski, Victor Khomenko, and Geoff Poor—engineers united by a passion for superior sound reproduction. From its inception, BAT distinguished itself through innovative balanced circuit topology, a design that inherently rejects noise and safeguards signal integrity, setting the stage for its enduring pursuit of audio purity.

The brand specializes in ultra-high-end components, including fully balanced tube and solid-state power amplifiers, preamplifiers, and phono preamps. Hand-built in a dedicated U.S. facility by skilled craftsmen, these products prioritize meticulous engineering to preserve the original signal's natural beauty, eschewing speakers, turntables, DACs, headphones, or cables in favor of core amplification excellence.

BAT commands a revered position in the high-end hi-fi market, catering to discerning audiophiles worldwide across over 40 countries. With a 25-year legacy of uncompromising performance, it embodies niche boutique prestige, where balanced architecture delivers unmatched transparency and dynamics for those seeking reference-level systems.

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