1 7

Classic Currents

(1) Tested Mullard Blackburn 6EH7 EF183 Tube with Box Etched Date Code B1J4

(1) Tested Mullard Blackburn 6EH7 EF183 Tube with Box Etched Date Code B1J4

Tested and Guaranteed

$10.95 USD
$10.95 USD
Sale Sold out
Shipping calculated at checkout.
(1) Tested Mullard 6EH7/EF183 Tube with Original Box.
Etched Date Code B1J4 I42. Blackburn Factory.

The box shows scuffing and edge wear in various areas.

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

Gm Test = 2925 micromhos
Minimum pass/good = 1575

~ Please view all 7 photos ~
View full details

View All