Mullard ECC82 (12AU7) NOS Matched Pair – Long Plate Ring Getter
NOS Matched Pair
New In White Box
Long Plate
Ring Getter
New In White Box
Long Plate
Ring Getter
Offering a laboratory-matched pair of 2 pcs Mullard ECC82 (12AU7) dual triodes, Serial Nos. 5004001 and 5004003. These premium Made in Great Britain valves feature the sought-after Long Plate construction and Ring Getters. Both units carry the B1A date code, indicating manufacture by Mullard at the Blackburn plant. Tubes are New Old Stock (NOS) in clean white boxes and have been fully characterized on the Amplitrex AT1000 Digital Tube Tester.
- Type: ECC82 / 12AU7 Brand: Mullard
- Condition: New in White Boxes Construction: Long Plate / Ring Getter
- Origin: Made in Great Britain Date Code: B1A
Precision Characterization: These tubes have been screened against factory reference parameters.
Quality Assurance: Guaranteed authentic Mullard production, offering the classic British warmth and musicality required for high-end audio.
Quality Assurance: Guaranteed authentic Mullard production, offering the classic British warmth and musicality required for high-end audio.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mA) | Result Ip (mA) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 5004001 | T1 | 10.5 | 8.2 | 78% | 2200 | 1910 | 87% |
| T2 | 10.5 | 7.6 | 72% | 2200 | 1900 | 86% | |
| 5004003 | T1 | 10.5 | 8.2 | 78% | 2200 | 1900 | 86% |
| T2 | 10.5 | 7.2 | 69% | 2200 | 1800 | 82% |
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