About Genalex
Genalex is a renowned brand in high-end audio, best known for its Gold Lion series of vacuum tubes. Originally developed by the General Electric Company (GEC) in the UK, the Genalex name became synonymous with premium audiophile tubes prized for their exceptional tone, reliability, and rigorous quality standards. Today, the brand legacy continues under New Sensor Corp., which reissues Genalex Gold Lion tubes that undergo stringent testing to uphold the brand’s reputation. Genalex tubes, including KT88, KT77, KT66, 300B, ECC83/12AX7, and others, are celebrated in both hi-fi and guitar amplification communities for their superior audio performance.