6SN7GT Brimar Valve Tube, Black Anodes, 1940’s NOS (P78)

Orange Brimar logo

Acid etched 6SN7GT

Black ribbed anodes

Black base

Oblong bar getter

Made in England

Test results:

V1 – A1:  8.6ma 2.35gm   A2:  9.2ma 2.6gm

NOS