Up for Sale is a superb matched pair of Ken-Rad JAN-12SN7GT dual triodes. These military-spec valves are highly regarded for their robust construction, featuring the classic Black Plate design and a Bottom Square Getter for superior performance and longevity.
Both valves are New Old Stock (NOS) and have been meticulously tested and matched on our Amplitrex AT1000. They exhibit excellent balance between triode sections, making them ideal for high-end audio applications.
| Serial No. | Test Triode | Parameters Ip mAdc | Result Ip mAdc | % Ip | Parameters Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 4718002 | Triode 1 | 9.0 | 8.6 | 95.6% | 2600 | 2610 | 100.4% |
| Triode 2 | 9.0 | 8.0 | 88.9% | 2600 | 2500 | 96.2% | |
| 4718003 | Triode 1 | 9.0 | 8.1 | 90.0% | 2600 | 2550 | 98.1% |
| Triode 2 | 9.0 | 9.0 | 100.0% | 2600 | 2700 | 103.8% |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.