UCH81 Philips Miniwatt Triode Heptode Vacuum Tube Tested

1 Or More NOS Tungsram ECH21 Hungary 1970S Triode Heptode Audio Vacuum Tubes

1 x NOS Philips ECH4 Test EXCELLENT Triode-Heptode Radio Vacuum Audio Valve Tube

(1) Tested Amperex 6AJ8 Tube Made in India Code 3-11 Etched YD VO Triode Heptode

Mullard 354V Triode Valve Vacuum Tube Tests Excellent on AVO Valve tester

7 X Telefunken Philips ECH84 6JX8 Triode Heptode Radio Electron Vacuum Tubes

ECH81 Tesla Triode Heptode Vacuum Tube 6I1P X719 6C12 CV2128 6AJ8 NEW in Box

LOT OF 2 ZENITH 14J7 LOKTAL TRIODE HEPTODE VACUUM TUBES FOR OLD RADIOS TEST GOOD