Brimar 12AU7 / ECC82
LONG BLACK PLATE | SQUARE GETTER | MADE IN ENGLAND | NOS
England
Long Black Plate
Square Getter
Up for sale is a rare Brimar 12AU7 / ECC82 vacuum tube, an early-production masterpiece from England. This New Old Stock (NOS) unit features the highly coveted Long Black Plates and a Square Getter. Brimar black plates are legendary for their organic, warm presentation and are considered essential for high-end vintage audio restoration.
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). This tube is ideal for audiophiles seeking that classic British “sweet” midrange.
| Serial No. | Test Triode – T1/T2 | Parameter ip mAdc | Result ip mAdc | % Ip (Emission) | Parameter Gm uMhos | Result Gm uMhos | % Gm (Transc.) |
|---|---|---|---|---|---|---|---|
| #1546012 | Triode 1 | 10.5 | 7.4 | 70.5% | 2200 | 1700 | 77.3% |
| Triode 2 | 10.5 | 8.4 | 80.0% | 2200 | 1800 | 81.8% |
⚠️ 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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