(2) Sylvania JAN-7308 Vacuum Tubes | Military Spec 6922s | O Getters. Tube 1 tests at 88/92 & tube 2 at 86/84 with 50 being the minimum score for a good tube (with 65% life remaining).
SIEMENS 7308 Gold Pin Vacuum Tubes PLATINUM MATCHED on AT1000 188CC 6D G2U
SIEMENS 7308 Gold Pin Vacuum Tubes PLATINUM MATCHED on AT1000 188CC 6DJ8 6922
(5) Amperex 6922 PQ Gold Pin Tubes ~ 7308 E88CC ~ TEST STRONG!
Up for sale are (5) Amperex 6922 PQ gold pin tube. Halo getters. Also known as an E88CC/7308/CCa/E188CC variant. Highly sought after. Test results are as follows with 50 being the minimum value (65%),low NOS is 65 (85%) and NOS is 77 (100%).
pair amperex 7308 tubes gold pins high end 6dj8
nice amperex 7308 tube pair, they tested at, 13000-14000, 13000-14000, with min good tube at 7000, on a hickok 539c, no shorts, leakage or gas. more items like this in my store, check it out !
Two Amperex SQ 7308 Amplitrex tested-gold pin-very strong-Noise tested-read
These two Amperex 7308 are very strong. These sound significantly better than the tubes made 10 years later and labeled 6DJ8. These were tested on B&K 650 (the best good-bad tester ever made) and my Amplitrex.