Available for purchase is a premium vintage Ken-Rad 6V6GT power tube. This unit features the iconic Black Coated Glass and Black Base construction, representing the robust standard of American vacuum tube manufacturing during the golden era of audio.

Tested on the Amplitrex AT1000, the results below follow the Percentage Method relative to factory design-center specifications (Ip = 45.0 mA / Gm = 4100 µMhos). This tube shows healthy emission and transconductance levels, making it a reliable choice for vintage amplifier restoration or Hi-Fi use.