Available for purchase is a world-class vintage Brimar 12AX7 double triode. This is the highly desirable Long Black Plate version featuring a Square Getter, manufactured in England. This construction is prized for its low noise floor and warm, harmonically rich tonal profile.

Meticulously screened on our Amplitrex AT1000 digital laboratory tester, the results below utilize the Percentage Method against original factory design-center specifications (Ip = 1.2 mA / Gm = 1600 µMhos). This unit displays excellent mutual conductance, perfect for high-fidelity audio applications.