SONOTONE 6DS8 ECH83 TRIODE HEPTODE AMPLIFIER MIXER VACUUM TUBE TEST GOOD

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

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

Mullard ECH 21 Triode Heptode Vacuum Tube Valve. - Quantity 2

Marconi X148 (7S7) Triode Heptode Frequency Changer Vacuum Valve / Tube

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

MAZDA TH233 Triode Heptode VALVE VACUUM TUBE - TESTS EXCELLENT

16 x NOS And Used Ultron Philips Sylvania UCH81 19AJ8 Triode Heptode Vacuum Tube