Type 6A8G GM Delco radio audio amplifier vacuum tube valve tested ST 6A8GT 6A8
Tested on Triplett tube tester for shorts and leaks as well.
Type No 6A8G Wizard radio audio amplifier vacuum tube valve tested ST 6A8GT 6A8
Bottom side foil getter, tube tests: 68, 70 %. Tested on Triplett tube tester for shorts and leaks as well.
Type 6A8G Silvertone radio audio amplifier vacuum tube valve tested ST 6A8GT 6A8
Tested on Triplett tube tester for shorts and leaks as well.