NOS ECC83 / 12AX7 / ECC803S. So the original Tesla (NOT JJ) had access to the brains who knew about multilayer cathode information, etc. NOS MILITARY ECC83 / 12AX7...
Lot of 2 pcs NEW E88CC Tesla tubes Gold pins. MATCHED PAIR - tubes has identical electrical characteristics. We test our tubes on High-End Soviet Tube Tester L3-3. 2...
The ZE025XA is widely recognized as a direct equivalent and substitute for several other popular tubes, including theRE025XA, 4CX250, 4CX250B, GU-70B, and GU-108B. TESLA ZE025XA Generator Tetrode Vacuum Tube.
PAIR OF TWO - UNTESTED - Ruby - 6L6GC STR Power Vacuum Amplifier Tubes. Condition is Used. Shipped with USPS First Class.
Tube Ecc802s/ 12au7/ Ecc82 Tesla Long Plate - NOS - code ZZ38. Tested in TV7 Tube Tester. Minimum good display = 60% = 56.
The Tesla ECC802S 12AU7 ECC82 NOS tube is a vintage electronic component manufactured in Czechia by the Rožnov factory. This unit is particularly sought after by collectors and enthusiasts...
TESLA Matched quadEL84 (6P14P-EV, E84L, 6BQ5) used tubes. VALVE / RÖHRE/TUBE.
Balanced Pair EF806S TESLA Military tubes 1969'y + 1970'y. NOS.
Balanced Pair EF806S TESLA Military tubes 1971'y. NOSStrong Parameters : 4 / 3 mA!100% = 2,2 mA!