Two 6AX4GTB Half Wave High Vacuum Rectifier Vacuum Tubes

VINTAGE NOS RCA 6AX4GTB VACUUM TUBE TUBES USA TESTED TUB13099

VINTAGE NOS RCA 6AX4GTB VACUUM TUBE TUBES USA TESTED TUB23045

LOT OF 6 12AU7A DUAL TRIODE AMPLIFIER VACUUM TUBES ASSORTED BRANDS TEST GOOD

LOT OF 2 12AX7A DUAL TRIODE AMPLIFIER VACUUM TUBES RCA,LOWRY ORGAN TEST GOOD

RCA 6SN7GT Vacuum Tube Used Tested Hickok 799 Dual Triode Octal Preamp

RCA 6AX4GTB Radio/Amplifier/TV Vacuum Tube w/ Box - TESTED & GUARANTEED!

(4) RCA 6AX4GTB Vacuum Radio Tubes Tested on Hickok 539C Tested