1 6

Classic Currents

(1) Tested RCA 6BK7B Tube with Box Code AS 6BK7 B Twin Triode Vacuum Tube (b)

(1) Tested RCA 6BK7B Tube with Box Code AS 6BK7 B Twin Triode Vacuum Tube (b)

Tested and Guranteed

$11.95 USD
$11.95 USD
Sale Sold out
Shipping calculated at checkout.
(1) Tested RCA 6BK7B Tube with Original Box.
Date Code AS.

This tube tests above NOS.

Tested on a calibrated Hickok TV-10 military tube tester with no shorts and no leaks with the following results:

Gm Test = 8750-9125 micromhos
Minimum pass/good = 5350-5350
Average NOS rating = 8025-8025

~ Please view all 6 photos ~
View full details

View All