6SL7GTY CV1985 ECC35 Brimar Valve Tube Brown Base NOS (P24)

Military code MA KB-FB

Acid etched 6SL7GTY

Oblong bar getter

Grey tubular anodes

Made in England

1960’s production

Test results:

V1  – A1: 2.35ma 1.3gm  A2: 2.75ma 1.6gm

NOS