VINTAGE SYLVANIA 14A4 MEDIUM MU TRIODE AMPLIFIER LOKTAL TUBE WITH BOX TEST GOOD

ZENITH BRANDED 7A4 LOKTAL MED. MU TRIODE VACUUM TUBE FOR OLD RADIOS,TEST GOOD

LOT OF 2 7A7 LOKTAL PENTODE AMPLIFIER VACUUM TUBES ZENITH FOR OLD RADIOS TESTED

Sylvania JAN-JHS-6CG7 Medium-Mu Twin Triode Vacuum Tube NOS/NIB (#59910)

3-500Z Electron Tube Triode tube REPLACE 3-500ZG High-Mu Power vacuum tubes 1PCS

SYLVANIA 7N7 DUAL TRIODE AMPLIFIER VACUUM TUBE FOR OLD RADIOS BOXED TESTED.

New Old Stock 6CG7 / 6FQ7 Medium-Mu Twin Triode Vacuum Tube (#59911, 63790)

(1) Tested Sylvania 7A4 Tube Code 713 Loctal Tube Medium Mu Triode Loktal Tube