All tested with Hickok 800

Average new 2600

tube 1 2x2600

tube 2 2x2500

tube 3 2x2500

tube 4 2700/2650

tube 5 2500/2550

tube 6 2x2800

tube 7 2600/2700

tube 8 2700/2800

tube 9 2x2500

tube 10 2x2400