Brimar ECC82 / 12AU7
PRECISION MATCHED PAIR | GREY RIB PLATE | NOS NIB
British Made
Grey Ribbed Plate
Matched Pair
Up for sale is a premium matched pair of vintage Brimar ECC82 (12AU7) tubes, New Old Stock in original boxes. These tubes feature the iconic Grey Ribbed Plate and Ring Getter hallmarks of high-quality British production. Brimar is legendary among audiophiles for its warm, organic textures and superb imaging.
Tested on our Amplitrex AT1000 digital laboratory system, the results below utilize the Percentage Method against original factory design-center specifications (Ip = 10.5 mA / Gm = 2200 µMhos). This pair has been hand-selected for precision matching across all four triode sections.
| Serial No. | Test Triode – T1/T2 | Parameter ip mAdc | Result ip mAdc | % Ip (Emission) | Parameter Gm uMhos | Result Gm uMhos | % Gm (Transc.) |
|---|---|---|---|---|---|---|---|
| #4543001 | Triode 1 | 10.5 | 9.9 | 94.3% | 2200 | 2200 | 100.0% |
| Triode 2 | 10.5 | 11.3 | 107.6% | 2200 | 2300 | 104.5% | |
| #4543002 | Triode 1 | 10.5 | 10.6 | 101.0% | 2200 | 2200 | 100.0% |
| Triode 2 | 10.5 | 10.0 | 95.2% | 2200 | 2200 | 100.0% |
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
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