SYLVANIA 12AU7A / ECC82 — Vintage Made in USA Matched Pair
Grade: NOS Series
Laboratory Verified
Made in USA
Laboratory Verified
Made in USA
Top Ring Getter
Gray Plates
Yellow Label Sylvania Logo
Amplitrex AT1000 Precision Tested
Gray Plates
Yellow Label Sylvania Logo
Amplitrex AT1000 Precision Tested
Available now is a professional-grade matched pair of Sylvania 12AU7A / ECC82 tubes, proudly manufactured in the USA. These vintage specimens feature the classic Top Ring Getter and Gray Plate construction, sought after by audiophiles for their clear, balanced tone and reliable performance in high-fidelity preamplifiers.
Both tubes have undergone extensive testing on our Amplitrex AT1000 digital laboratory system. We present the results using our Percentage Method, which provides a direct comparison between these vintage units and their original 100% factory design-center specifications.
| Serial No. | Triode Section | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| #2484001 | Section 1 (T1) | 10.5 | 9.0 | 86% | 2200 | 1900 | 86% |
| Section 2 (T2) | 10.5 | 9.0 | 86% | 2200 | 2000 | 91% | |
| #2484002 | Section 1 (T1) | 10.5 | 9.8 | 93% | 2200 | 1900 | 86% |
| Section 2 (T2) | 10.5 | 10.8 | 103% | 2200 | 2100 | 95% |
Technical Note: 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