Sylvania 6JB6A NOS 100% Grey Plates Dual Side O Getter Serious Tubes 1973

Used! GE 6JB6A - B&K 747B Tested!

New Qty 1 6KY8A GE Made in Japan Grey Plates Side O Getter NOS Vacuum Tube

GE 6DQ6B 6GW6 NOS NIB 100% Grey Plates Dual Side "O" Getter Serious Tubes O912

GE 6DQ6B 6GW6 NOS NIB 100% Grey Plate Dual Side "O" Getter Serious Tubes O807

RCA 31LQ6 NOS NIB 100% Copper Grid Dual Side O Getter Serious Tubes T840

Strong GE 6DQ6B 6GW6 NOS NIB Grey Plates Dual Side "O" Getter Serious Tubes N661

GE 6SN7GTB Gray Plates Side O Getter Vacuum Tube Tested