*FantasticTubes 🎷🎶
*
One tube, U.S.A made,
as pictured.
As pictured = the tube you see is the tube you receive
*
Hickok TV-7B/U* tested
Test Result(s)
40/48
minimum reading for good tube
25/35
(Triode#1 / Triode#2)
*Hickok TV-7B/U is a mutual conductance(Gm) type tube tester. It does check for mutual conductance which is a more accurate measure of tube's age.
Satisfaction Guaranteed!
*FantasticTubes !!!
🎷🎶