Tested on Triplett tube tester for shorts and leaks as well. tube has black ribbed hanging plates, clear top. engraved base, tube tests: 100 %.
Item Tag: DeForest Audion
⭐️RARE⭐️ QTY=1 – DeForest Audion GLOBE 45/145/245/345 TUBE TV7 Tested GOOD!
DeForest Audion. TYPE GLOBE ENGRAVED BASE Tube! TUBE’s TEST RESULT’s TV-7/u Tested! I tested these on a High Quality Professonal Hickok TV-7/U Tester TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES!