This tube tested NOS on my Hickok 6000a tube tester. Average new tube value- 3000/4000. Tube test Value – 3200/4400 – 3400/ 4200. Minimum tube value -1950/2600. Date Code on both – 1022 – 350.
This tube tested NOS on my Hickok 6000a tube tester. Average new tube value- 3000/4000. Tube test Value – 3200/4400 – 3400/ 4200. Minimum tube value -1950/2600. Date Code on both – 1022 – 350.