Brimar 12AU7 / ECC82
LONG BLACK PLATE | D GETTER | MADE IN ENGLAND | NOS
England
D Getter
Matched Pair
Up for sale is a magnificent matched pair of Brimar 12AU7 / ECC82 vacuum tubes, an early-production masterpiece from England. These New Old Stock (NOS) units feature the highly coveted Long Black Plates and the rare D Getter. Brimar black plates are legendary for their organic, lush presentation and are considered essential for high-end vintage audio systems.
Precision 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). These tubes provide the classic “British Sound”—warm, detailed, and non-fatiguing.
| Serial No. | Test Triode – T1/T2 | Parameter ip mAdc | Result ip mAdc | % Ip (Emission) | Parameter Gm uMhos | Result Gm uMhos | % Gm (Transc.) |
|---|---|---|---|---|---|---|---|
| #2270002 | Triode 1 | 10.5 | 7.2 | 68.6% | 2200 | 1700 | 77.3% |
| Triode 2 | 10.5 | 9.0 | 85.7% | 2200 | 1900 | 86.4% | |
| #2270004 | Triode 1 | 10.5 | 7.4 | 70.5% | 2200 | 1600 | 72.7% |
| Triode 2 | 10.5 | 7.2 | 68.6% | 2200 | 1600 | 72.7% |
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
Note: Extended area surcharges may apply for remote addresses; please confirm before checkout.
Quality Verified Since 1970
Specializing in thoroughly screened vacuum tubes with an inventory of approx. 300,000 units.
Testing equipment includes Amplitrex AT1000, Hickok 752a, and AVO Type 160.
Custom duties and taxes are the responsibility of the buyer in their country.
Support: [email protected] Precision Verified — NOS Audio Tubes
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