HYTRON JAN-CHY 12SN7GT — Matched Pair 2 Pcs
Type: JAN Mil-Spec (1951)
Made in USA
Bottom Square Getter
Date Code: 135
Amplitrex AT1000 Tested
Up for Sale is a superb matched pair of Hytron JAN-CHY 12SN7GT dual triodes. These are highly sought-after 1951 production military-spec valves, featuring Black Plates and the desirable Bottom Square Getter construction for exceptional audio clarity and vintage character.
Both valves are New Old Stock (NOS), preserved in clean white boxes. They have been meticulously tested and matched on our Amplitrex AT1000, ensuring they meet or exceed original factory specifications for your high-end audio equipment.
| Serial No. | Test Triode | Parameters Ip mAdc | Result Ip mAdc | % Ip | Parameters Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 2351032 | Triode 1 | 9.0 | 8.8 | 97.8% | 2600 | 2700 | 103.8% |
| Triode 2 | 9.0 | 8.2 | 91.1% | 2600 | 2800 | 107.7% | |
| 2351035 | Triode 1 | 9.0 | 9.0 | 100.0% | 2600 | 2800 | 107.7% |
| Triode 2 | 9.0 | 10.0 | 111.1% | 2600 | 2800 | 107.7% |
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
Support: [email protected]
NOS Audio Tubes — Mumbai, India
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