Up For Sale: 1 Pc 
Shipping Charges: $35
For bulk or quantity requirements, feel free to Email us atIndustria ECC82 / 12AU7
GREY PLATE | TOP RING GETTER | DOUBLE MICA | NOS SINGLE
Grey Plate
Double Mica
Amplitrex AT1000
Up for sale is a premium vintage Industria ECC82 (12AU7), a robust industrial-spec vacuum tube designed for high reliability. This NOS unit features Double Mica spacers for reduced microphonics and a Top Ring Getter, ensuring long-term vacuum stability and clean audio performance.
Precision tested on the Amplitrex AT1000 digital laboratory tester, the results below utilize the Percentage Method against original factory design-center specifications (Ip = 10.5 mA / Gm = 2200 µMhos). This tube displays exceptionally strong emission and matched transconductance across both triode sections.
| Serial No. | Test Triode – T1/T2 | Parameter ip mAdc | Result ip mAdc | % Ip (Emission) | Parameter Gm uMhos | Result Gm uMhos | % Gm (Transc.) |
|---|---|---|---|---|---|---|---|
| #2183001 | Triode 1 | 10.5 | 10.8 | 102.8% | 2200 | 2300 | 104.5% |
| Triode 2 | 10.5 | 12.0 | 114.3% | 2200 | 2300 | 104.5% |
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
Custom duties and taxes are the responsibility of the buyer in their country.
Support: [email protected] Precision Verified — NOS Audio Tubes
>
Reviews
There are no reviews yet