MULLARD ECC82 / 12AU7 — Matched Pair (2 Pcs)
Made in Great Britain
BVA Specified
New in White Box
Amplitrex AT1000 Tested
Up for sale is a premium matched pair (2 pieces) of vintage Mullard ECC82 twin triodes. These are authentic British-made valves featuring the classic Grey Plate internal structure and Top Ring Getter.
As seen, these tubes are New in White Boxes and have been meticulously verified on our Amplitrex AT1000 tester to ensure high-fidelity performance. These tubes represent the legendary Mullard “warmth” and reliability sought after in Hi-Fi applications.
| Serial No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 1998026 | T1 | 10.5 | 10.4 | 99.0% | 2200 | 1900 | 86.3% |
| T2 | 10.5 | 10.2 | 97.1% | 2200 | 1900 | 86.3% | |
| 1998009 | T1 | 10.5 | 9.4 | 89.5% | 2200 | 1900 | 86.3% |
| T2 | 10.5 | 9.7 | 92.3% | 2200 | 1840 | 83.6% |
About NOS Audio Tubes
We are professional specialists in high-quality vacuum tubes with industry expertise dating back to the 1970s. With a vast inventory of approximately 300,000 valves, we use industrial-grade Amplitrex AT1000 equipment to provide the most accurate percentage-based performance data for the audiophile community.
Note: Custom duties and Taxes are the Responsibility of the Buyer in their Country.
Support: [email protected]
NOS Audio Tubes — Mumbai, India


















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