BRIMAR 12AU7 / ECC82 – 1 PC
GRADE: Platinum SERIES | LABORATORY VERIFIED NOS BVA VINTAGE
Genuine Brimar (Made in England)
BVA British Vintage Audio Spec
Grey Plates
Top Ring Getter
New in Original Brimar BVA Box
Amplitrex AT1000 Tested
BVA British Vintage Audio Spec
Grey Plates
Top Ring Getter
New in Original Brimar BVA Box
Amplitrex AT1000 Tested
Up for sale is a single vintage Brimar 12AU7 / ECC82 dual triode preamplifier valve, brand new in its original iconic red and yellow Brimar BVA box. Made in England, this highly sought-after British audio tube features classic grey plates and a top ring getter.
As shown in , this tube has been bench-tested on our laboratory-grade Amplitrex AT1000 digital tube testing system. The measured plate current (Ip) and transconductance (Gm) results are calculated against standard factory specifications (10.5 mA / 2200 uMhos) and detailed in the table below.
| Serial No. / Markings | Tube Section | Plate Current (Ip) | Transconductance (Gm) | ||||
|---|---|---|---|---|---|---|---|
| Factory Spec | Result | % Ip | Factory Spec | Result | % Gm | ||
| Brimar 12AU7 / ECC82 SR: 2081001 |
Triode 1 | 10.5 mA | 13.1 mA | 125% | 2200 uMhos | 2470 uMhos | 112% |
| Triode 2 | 10.5 mA | 10.3 mA | 98% | 2200 uMhos | 2100 uMhos | 95% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.












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