Brimar ECC82/12AU7
GRADE: GOLD SERIES | LABORATORY VERIFIED
Grey Plate Construction
Amplitrex AT1000 Digital Testing
Offered here is a precision of vintage Brimar ECC82 / 12AU7 vacuum tubes. These classics feature the desirable Grey Plate structure and Top Ring Getter, providing the smooth, detailed soundstage characteristic of premium Brimar production.
Both tubes have been thoroughly analyzed on the Amplitrex AT1000 digital tester. Following our Percentage Method, the results below show how each triode section performs relative to the 100% factory design-center specifications for this tube type (Ip = 10.5mA / Gm = 2200 µMhos).
| Serial No. | Test Triode | Parameter Ip | Result Ip | % Ip | Parameter Gm | Result Gm | % Gm |
|---|---|---|---|---|---|---|---|
| 4328001 | Section 1 (T1) | 10.5 | 6.6 | 63% | 2200 | 1700 | 77% |
| Section 2 (T2) | 10.5 | 5.8 | 55% | 2200 | 1600 | 73% | |
| 4328002 | Section 1 (T1) | 10.5 | 9.9 | 94% | 2200 | 2300 | 105% |
| Section 2 (T2) | 10.5 | 8.7 | 83% | 2200 | 2100 | 95% |
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