6SN7GT Brimar Valve Tube, Black Anodes, 1940’s NOS (P77)

Orange Brimar logo

Acid etched 6SN7GT

Black ribbed anodes

Black base

Oblong bar getter

Made in England

Test results:

V1 – A1:  12ma 2.8gm   A2:  11ma 2.8gm

NOS