Brimar 12AU7 / ECC82
LONG BLACK PLATE | SQUARE GETTER | MADE IN ENGLAND | NOS
England Made
Long Black Plate
Square Getter
Up for sale is a world-class Brimar 12AU7 / ECC82 vacuum tube, an early British masterpiece. This New Old Stock (NOS) unit features the legendary Long Black Plates and the highly coveted Square Getter. Brimar black plates are prized among audiophiles for their harmonic depth, smooth midrange, and organic musicality.
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).
| Serial No. | Test Triode – T1/T2 | Parameter ip mAdc | Result ip mAdc | % Ip (Emission) | Parameter Gm uMhos | Result Gm uMhos | % Gm (Transc.) |
|---|---|---|---|---|---|---|---|
| #2021020 | Triode 1 | 10.5 | 7.4 | 70.5% | 2200 | 1900 | 86.4% |
| Triode 2 | 10.5 | 7.2 | 68.6% | 2200 | 1700 | 77.3% |
⚠️ 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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