The Reissue Genalex Gold Lion KT66 power tube is made in Russia by New Sensor.
The manufacturer states: "Exact copy of the original clear glass KT66 vacuum tube". They offer a well defined and balanced tone, and are highly rated as one of the best modern KT66 tubes available today.
They are also known as the tube that created "Marshall Bluesbreaker Tone" and are suitable for any compatible guitar amp.
KT66's are used also found in many 50's - 60's hi-fi amps, including the Heathkit W-5M and many Leak model amplifiers.
