GEC Osram 6J7G / VT-74 — Matched Pair
VINTAGE 1930’s | BLACK COATED GLASS | MADE IN GT. BRITAIN
Military Grade VT-74
WE 348A Equivalent
Amplitrex Verified
Up for sale is a 100% factory-spec vintage treasure: a matched pair of GEC Osram 6J7G / VT-74 valves. Manufactured by MWT in Great Britain during the 1930s, these feature the desirable black coated glass and black base construction. Known for their low noise and exceptional musicality, they are a preferred alternative to the Western Electric 348A.
These units are New Old Stock (NOS) in mint condition and come in their original military brown boxes. Tested on the Amplitrex AT1000, the results below follow the Percentage Method (Ia = 2.0 mA / Gm = 1225 µMhos).
| Serial No. | Parameter Ip | Result Ip | % Ip | Parameter Gm | Result Gm | % Gm |
|---|---|---|---|---|---|---|
| 612005 | 2.0 | 2.4 | 120.0% | 1200 | 1300 | 108.3% |
| 612027 | 2.0 | 2.5 | 125.0% | 1200 | 1300 | 108.3% |
⚠️ Note: Custom duties and taxes are the responsibility of the buyer in their country.
Note : We Have More Than 100 Pcs
Precision Verified — NOS Audio Tubes









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