General Electric GE 6AF4 Vacuum Tubes Tested NOS Lot Of 4 +Box

(1) Tested GE 6BN4A Tube with Box Code FV General Electric Medium Mu Triode Tube

GE Electronic Tube 6DE4 / 6CQ4 NOS In Original Box ~ Tested

(1) Tested Very Strong GE 6DA4A Tube & Box Date Code KV General Electric 6DA4 A

GE Electronic Tube 6AX4GTB NOS In Original Box ~ Tested

GE 6AJ4 Vacuum Tube TV-7 Tested New in Box

(1) Tested GE 6SJ7 Tube with Box Date Code 4-17 6SJ7 Sharp Cutoff Pentode Tube

GE 6X4 Vacuum Tube – Model 6X4 – USA – Original Box Tested strong on 539c