Mullard ECC82/12AU7- Black Long Plate Top Ring Getter
New In White Box
Black Long Plate
Top Ring Getter
Black Long Plate
Top Ring Getter
Offering a laboratory 2 pcs of Mullard ECC82/12AU7 dual triodes, Serial Nos. 5004001 and 5004003. These premium Made in Great Britain valves feature the sought-after Black Long Plate construction and Top Ring Getters. Both units carry the B1A date code, indicating manufacture by Mullard at the Blackburn plant. Tubes are 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: Black Long Plate / Top Ring Getter
- Origin: Made in Great Britain Date Code: B1A
Precision Characterization: These tubes have been screened against factory reference parameters.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | 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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