BRIMAR ECC81 — Vintage Hungarian
Grade: Gold Series
Laboratory Verified
Made in Hungary
Laboratory Verified
Made in Hungary
Top Ring Getter
BVA Licensed Production
ECC81 / 12AT7 Family
Amplitrex AT1000 Verified
BVA Licensed Production
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 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. | Triode Section | 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).
Matching Data: Measurements include Mu (Gain) and Plate Resistance (RP) for precision application.
Email: [email protected]
Precision Verified — NOS Audio Tubes
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