AMPEREX 12SN7GTA — Matched Pair 2 Pcs
Grade: NOS (New Old Stock)
Type: Dual Triode
Made in Holland
Type: Dual Triode
Made in Holland
Black Plate
Top Ring Getter
Black Base
Amplitrex AT1000 Tested
Top Ring Getter
Black Base
Amplitrex AT1000 Tested
Up for Sale is a superb matched pair of Amperex 12SN7GTA dual triodes. These high-quality valves are manufactured in Holland and feature the desirable Black Plate construction with a Top Ring Getter for exceptional sonic performance and reliability.
Both valves are New Old Stock (NOS) and have been meticulously tested and matched on our Amplitrex AT1000. They show excellent sections and are perfectly suited for high-fidelity audio equipment requiring the 12SN7GTA specification.
| Serial No. | Test Triode | Parameters Ip mAdc | Result Ip mAdc | % Ip | Parameters Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 2349006 | Triode 1 | 9.0 | 10.8 | 120.0% | 2600 | 2800 | 107.7% |
| Triode 2 | 9.0 | 11.2 | 124.4% | 2600 | 2820 | 108.5% | |
| 2349007 | Triode 1 | 9.0 | 10.4 | 115.6% | 2600 | 2800 | 107.7% |
| Triode 2 | 9.0 | 13.0 | 144.4% | 2600 | 3000 | 115.4% |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
Support: [email protected] Precision Verified — NOS Audio Tubes
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