OSRAM VT74 — Matched Quad (4 Pcs)
Type: Power Triode
Made in England
Black Base
Military Specification (VT74)
Original Boxes
Amplitrex AT1000 Tested
Up for sale is an exceptional matched quad of 4 pieces of Osram VT74 (Military version of the ML4) power triodes. These are vintage British-made valves, featuring the classic Half Coated Glass envelopes and sturdy Black Base.
These units are New Old Stock (NOS), preserved in their Original Boxes. This quad has been precisely tested and matched on our Amplitrex AT1000. These are highly sought after for high-end vintage audio restorations and specialty amplifiers.
| Serial No. | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|
| 612011 | 2.0 | 2.3 | 115.0% | 1200 | 1200 | 100.0% |
| 612032 | 2.0 | 2.3 | 115.0% | 1200 | 1200 | 100.0% |
| 612004 | 2.0 | 2.1 | 105.0% | 1200 | 1200 | 100.0% |
| 612024 | 2.0 | 2.1 | 105.0% | 1200 | 1200 | 100.0% |
About NOS Audio Tubes
Based in Mumbai, India, we are professional suppliers of high-quality vacuum tubes with a specialized history dating back to the 1970s. Managing an inventory of over 300,000 valves, we utilize industrial-grade Amplitrex AT1000 equipment to provide accurate, transparent test data for the global audiophile and restoration community.
Note: Custom duties and Taxes are the Responsibility of the Buyer in their Country.
Note: We have more than 100pcs
Support: [email protected]
NOS Audio Tubes — Mumbai, India
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