TELEFUNKEN ECC82 — Vintage Dual Triode
Laboratory Verified
Made in GermanyAmplitrex AT1000 Verified
Up for sale is a single 1 piece premium Telefunken ECC82 / 12AU7 dual triode tube. This unit features the highly desirable Top Ring Getter & Black Plate construction, synonymous with the legendary German engineering of Telefunken.
This specific tube has been laboratory tested on the Amplitrex AT1000 professional analyzer. It displays exceptional balance between triodes and tests at full “New Old Stock” emission levels, offering the precise, transparent, and detailed soundstage for which Telefunken is renowned.
| Serial No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 2017015 | T1 | 10.5 | 9.0 | 85.7% | 2200 | 2200 | 100.0% |
| T2 | 10.5 | 9.6 | 91.4% | 2200 | 2300 | 104.5% |
Technical Note: Percentage calculations are based on standard factory specifications for the 12AU7 (Ip = 10.5mAdc , Gm = 2,200 uMhos). These results indicate strong transconductance and healthy emission.
Note: Custom duties and taxes are the responsibility of the buyer in their country.
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