Mullard ECC81/12AT7 NOS Matched Pair – Square Getter Great Britain
NOS Matched Pair
New In White Box
Short Grey Plate
Square Getter
New In White Box
Short Grey Plate
Square Getter
Offering a laboratory-matched pair of 2 pcs Mullard ECC81 (12AT7) dual triodes, Serial Nos. 1159013 and 1159004. These premium Made in Great Britain (BVA) valves feature high-stability Short Grey Plates, Double Mica construction, and the highly desirable Square Getter. Both tubes are New Old Stock (NOS) in clean white boxes and have been fully characterized on the Amplitrex AT1000 Digital Tube Tester.
- Type: ECC81 / 12AT7 Brand: Mullard
- Condition: New in White Boxes Construction: Double Mica / Square Getter
- Origin: Made in Great Britain Testing: Amplitrex AT1000
Precision Characterization: Tested against factory reference parameters. These tubes are well-matched for use in demanding preamp or phase inverter stages.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mA) | Result Ip (mAdc) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 1159013 | T1 | 10.0 | 7.4 | 74% | 5500 | 4700 | 85% |
| T2 | 10.0 | 8.2 | 82% | 5500 | 5060 | 92% | |
| 1159004 | T1 | 10.0 | 6.8 | 68% | 5500 | 4800 | 87% |
| T2 | 10.0 | 6.8 | 68% | 5500 | 4800 | 87% |
✉️ For technical inquiries, please Email us
Whatsapp: +1 (630) 597-3966
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