BRIMAR ECC81 — Vintage
Grade: Gold Series
Laboratory Verified
Made in Hungary
Laboratory Verified
Made in Hungary
Top Ring Getter
ECC81 / 12AT7 Family
Amplitrex AT1000 Verified
ECC81 / 12AT7 Family
Amplitrex AT1000 Verified
Offering a high-quality matched pair (2 pieces) of vintage Brimar ECC81 vacuum tubes, manufactured in Hungary under BVA standards. These tubes feature the reliable Top Ring Getter& Grey Plate design and represent excellent value for vintage European tone.
This pair has been fully characterized on a professional Amplitrex AT1000 analyzer. Known for their clear and balanced response, these Hungarian Brimar valves are an excellent choice for preamplifiers and musical instrument applications.
| Serial No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 2076002 | Section 1 (T1) | 10.0 | 10.0 | 100% | 5500 | 5350 | 97.2% |
| Section 2 (T2) | 10.0 | 11.1 | 111% | 5500 | 5500 | 100% | |
| 2076003 | Section 1 (T1) | 10.0 | 12.0 | 120% | 5500 | 5800 | 105.4% |
| Section 2 (T2) | 10.0 | 9.4 | 94% | 5500 | 5080 | 92.3% |
Technical Note: Percentage calculations are based on standard Amplitrex factory parameters for the ECC81 family (Ip = 10.0mA, Gm = 5,500 uMhos).
Note: Custom Duties and Taxes are the Responsibility of the Buyer in their Country
Email: [email protected] Precision Verified — NOS Audio Tubes
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