BRIMAR 12AU7 / ECC82 — Matched Pair (2 Pcs)
Laboratory Verified
Made in England
Grey Plate
New in White Box
Amplitrex AT1000 Tested
Available for purchase is a premium matched pair (2 Pcs) of Brimar 12AU7 (ECC82) dual triode valves, Made in England. These authentic British-made units feature the desirable Grey Plate internal structure and a Top Square Getter. Brimar valves are prized by audiophiles for their balanced, detailed, and warm sonic profile.
Both valves are in New Old Stock (NOS) condition and come in new white boxes. They have been laboratory-tested on the Amplitrex AT1000 using industrial standards. Percentages are calculated against the factory specifications for the 12AU7 (Ip = 10.5 mA /Gm = 2200 µMhos).
| Serial No. | Date Code | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|---|
| 2021030 | 1C6/571 | T1 | 10.5 | 5.8 | 55% | 2200 | 1400 | 64% |
| T2 | 10.5 | 7.2 | 69% | 2200 | 1600 | 73% | ||
| 2021010 | 4A6/571 | T1 | 10.5 | 6.8 | 65% | 2200 | 1600 | 73% |
| T2 | 10.5 | 6.6 | 63% | 2200 | 1500 | 68% |
About NOS Audio Tubes
Based in Mumbai, India, we are professional suppliers with a massive inventory of over 300,000 vintage valves. We utilize industrial-grade Amplitrex AT1000 equipment to verify every component, providing technical clarity to the global audiophile community.
Note: Custom duties and taxes are the responsibility of the buyer in their country.
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