Mullard ECC81/12AT7- Matched Pair
Matched Pair
New In White Box
Short Grey Plate
Top Ring Getter
New In White Box
Short Grey Plate
Top Ring Getter
Offering a laboratory-matched pair of 2 pcs Mullard ECC81 (12AT7) dual triodes, Serial Nos. 1980017 and 1980007. These authentic Made in Great Britain valves feature Short Grey Plates and Top Ring Getters. Both units Comes in clean white boxes and have been fully characterized on the Amplitrex AT1000 Digital Tube Tester.
- Type: ECC81 / 12AT7 Brand: Mullard
- Condition: NOS in White Boxes Construction: Short Grey Plate / Ring Getter / Double Mica
- Origin: Made in Great Britain Testing: Amplitrex AT1000
Precision Characterization: These tubes were screened against reference parameters (Ip=10.0, Gm=5500) for the ECC81 series.
Quality Assurance: Features the iconic Mullard shield and BVA markings, ensuring the classic British tonal profile for high-end audio.
Quality Assurance: Features the iconic Mullard shield and BVA markings, ensuring the classic British tonal profile 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 mAdc | Result Ip mAdc | Percentage Ip | Parameter Gm uMhos | Result Gm uMhos | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 1980017 | T1 | 10.0 | 9.1 | 91% | 5500 | 4700 | 85% |
| T2 | 10.0 | 9.4 | 94% | 5500 | 4740 | 86% | |
| 1980007 | T1 | 10.0 | 8.2 | 82% | 5500 | 4600 | 84% |
| T2 | 10.0 | 7.2 | 72% | 5500 | 4400 | 80% |
Support: [email protected] Precision Verified — NOS Audio Tubes
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