*FantasticTubes !!!
*
One tube, circa 1966, Germany made by Siemens & Halske for RCA,
type 6ES8 (ECC189) vacuum tube
as pictured.
Condition:
New Old Stock / New In Box
Silk-screening:
Please refer to photo(s)
Painted designation (white color ink):
6ES8
Acid etched factory/date codes:
IX? / =/=6B
Tube features grey plates, silver shield between anodes and a top-mounted 'halo-ring' getter construction.
*
Hickok TV-7B/U* tested
@ 119/117
min. : 50/50
(Triode#1 / Triode #2)
*Hickok TV-7B/U is a mutual conductance type tube tester. It does check for mutual conductance which is a more accurate measure of tube's age.
Satisfaction Guaranteed!
*FantasticTubes !!!