Mullard ECC81 NOS Matched Pair – Grey Ribbed Plate British Made
NOS Matched Pair
New In White Box
Ring Getter
Grey Ribbed Plate
New In White Box
Ring Getter
Grey Ribbed Plate
Available for purchase is a premium matched pair of 2 pcs Mullard ECC81 vacuum tubes. These authentic British Made valves feature the classic Grey Ribbed Plate construction and Ring Getter design. Both units are New Old Stock (NOS) and come in clean white boxes with individual laboratory test labels for verification.
- Type: ECC81 / 12AT7 Brand: Mullard
- Condition: New in White Boxes Construction: Grey Ribbed Plate / Ring Getter
- Origin: Made in Great Britain Testing: Amplitrex AT1000
Acoustic Performance: Highly prized for a natural, smooth, and transparent soundstage with the characteristic Mullard warmth.
Amplitrex Screened: Fully laboratory tested for plate current (Ip) and transconductance (Gm) against factory targets.
Amplitrex Screened: Fully laboratory 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 |
|---|---|---|---|---|---|---|---|
| 2272322 | T1 | 10.0 | 9.4 | 94.00% | 5500 | 5440 | 98.91% |
| T2 | 10.0 | 8.6 | 86.00% | 5500 | 5300 | 96.36% | |
| 2272436 | T1 | 10.0 | 8.4 | 84.00% | 5500 | 5600 | 101.82% |
| T2 | 10.0 | 9.6 | 96.00% | 5500 | 5760 | 104.73% |
✉️ For technical inquiries, please Email us
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