Mullard ECC81/12AT7 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 / 12AT7 dual triodes. These authentic British Made valves feature the desirable Grey Ribbed Plate construction and Ring Getter design. Each unit is in New Old Stock (NOS) condition and is supplied in a clean white box with individual Amplitrex AT1000 laboratory test results.
- Type: ECC81 / 12AT7 Brand: Mullard
- Condition: New in White Boxes Construction: Grey Ribbed Plate / Ring Getter
- Origin: Made in Great Britain Testing: Amplitrex AT1000
Superior Build: These tubes feature the iconic BVA (British Valve Association) logo, indicating they were manufactured to strict industrial standards.
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 |
|---|---|---|---|---|---|---|---|
| 3518206 | T1 | 10.0 | 9.5 | 95.00% | 5500 | 5120 | 93.09% |
| T2 | 10.0 | 9.8 | 98.00% | 5500 | 5860 | 106.55% | |
| 3518261 | T1 | 10.0 | 7.4 | 74.00% | 5500 | 5180 | 94.18% |
| T2 | 10.0 | 8.6 | 86.00% | 5500 | 5500 | 100.00% |
✉️ For technical inquiries, please Email us
Whatsapp: +1 (630) 597-3966
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