Mullard ECC81 NOS Matched Pair
NOS Matched Pair
New In White Box
Top Ring Getter
Grey Plate
New In White Box
Top Ring Getter
Grey Plate
Up for sale is a premium matched pair of 2 pcs Mullard ECC81 dual triodes. These authentic British Made valves feature Grey Plate construction and a Top Ring Getter. Both units are New Old Stock (NOS) and come in white boxes with individual Amplitrex AT1000 test results.
- Type: ECC81 / 12AT7 Brand: Mullard
- Condition: NOS in White Boxes Construction: Grey Plate / Ring Getter / Double Mica
- Origin: Made in Great Britain Testing: Amplitrex AT1000
Certified Quality: These tubes feature the BVA logo and “Made in Great Britain” markings on the glass.
Amplitrex Screened: Fully tested for plate current (Ip) and transconductance (Gm) against factory targets.
Amplitrex Screened: Fully tested for plate current (Ip) and transconductance (Gm) against factory targets.
⚠️ 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 |
|---|---|---|---|---|---|---|---|
| 2783006 | T1 | 10.0 | 9.9 | 99.00% | 5500 | 4850 | 88.18% |
| T2 | 10.0 | 8.6 | 86.00% | 5500 | 4600 | 83.64% | |
| 2783026 | T1 | 10.0 | 9.8 | 98.00% | 5500 | 4900 | 89.09% |
| T2 | 10.0 | 8.6 | 86.00% | 5500 | 4690 | 85.27% |
✉️ For technical inquiries, please Email us at [email protected]
Whatsapp: +1 (630) 597-3966
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