Available for purchase is a premium vintage Toshiba 6V6GT power tube. Manufactured in Japan, this unit features high-stability Grey Plate construction and a Top Ring Getter, characteristic of Toshiba’s rigorous production standards during the golden age of vacuum tubes.

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 tests at a remarkable 103% for both emission and transconductance, ensuring outstanding performance in any compatible circuit.