TUNGSRAM ECC81 / 12AT7 — Single Premium Valve 1 Pc
Made in Hungary
Grey Plate Construction
Dual Triode
Amplitrex AT1000 Tested
Up for sale is a single (1 Pc) Tungsram ECC81 (12AT7) premium dual triode valve, Made in Hungary. This unit features the robust Grey Plate internal construction and a Top Ring Getter. Tungsram valves are historically celebrated for their longevity and reliable performance in vintage Hi-Fi equipment.
This valve has been strictly screened on the Amplitrex AT1000 industrial tube analyzer. Percentages are calculated against the standard ECC81 factory specifications (Ip = 10.0 mAdc / Gm = 5500 µMhos).
| Serial No. | Test Triode | Param Ip mAdc | Result Ip mAdc | % Ip | Param Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 4895001 | T1 | 10.0 | 28.0 | 280% | 5500 | 4210 | 77% |
| T2 | 10.0 | 32.4 | 324% | 5500 | 4750 | 86% |
About NOS Audio Tubes
Based in Mumbai, India, we maintain a vast inventory of over 300,000 vintage valves. Every component is professionally verified using the Amplitrex AT1000 to ensure laboratory-grade accuracy for our global audiophile clients.
Note: Custom Duties and Taxes are the Responsibility of the Buyer in their Country
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