6SL7GTY CV1985 ECC35 Brimar Valve Tube Brown Base Used (P26)

Military code KB KB/FB

Acid etched 6SL7GTY

Oblong bar getter

Grey tubular anodes

Made in England

1960’s production

Test results:

V1  – A1: 1.78ma 1gm  A2: 1.75ma 1gm

Used