BRIMAR ECC82 / 12AU7 — Quad 4 Pcs Made in England
Grade: Gold Series
Laboratory Verified
Made in England
Laboratory Verified
Made in England
Top Ring Getter
Gray Plates
Precision Amplitrex AT1000 Digital Testing
Gray Plates
Precision Amplitrex AT1000 Digital Testing
Offering a superb quad of 4 genuine Brimar ECC82 / 12AU7 vacuum tubes, manufactured in England. These specimens feature the sought-after Top Ring Getter and Gray Plate construction, prized by audiophiles for their warm, detailed, and musically accurate sonic signature.
All four tubes have been rigorously characterized on the Amplitrex AT1000 digital laboratory tester. They exhibit excellent balance between triode sections and across the entire set, making them perfect for high-fidelity preamplifiers, phase inverters, or balanced driver stages.
| Serial No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 4327001 | Section 1 (T1) | 10.5 | 8.4 | 80% | 2200 | 2000 | 91% |
| Section 2 (T2) | 10.5 | 8.2 | 78% | 2200 | 2000 | 91% | |
| 4327002 | Section 1 (T1) | 10.5 | 7.4 | 70% | 2200 | 2000 | 91% |
| Section 2 (T2) | 10.5 | 7.4 | 70% | 2200 | 2000 | 91% | |
| 4327003 | Section 1 (T1) | 10.5 | 10.2 | 97% | 2200 | 2300 | 104% |
| Section 2 (T2) | 10.5 | 8.4 | 80% | 2200 | 2020 | 92% | |
| 4327006 | Section 1 (T1) | 10.5 | 7.2 | 68% | 2200 | 1900 | 86% |
| Section 2 (T2) | 10.5 | 7.4 | 70% | 2200 | 1900 | 86% |
Note: Custom Duties and Taxes are the Responsibility of the Buyer in their Country
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Precision Verified — NOS Audio Tubes
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