Ediswan 12AT7 / ECC81 NOS
NOS
Original Box
Grey Plate
Ring Getter
Original Box
Grey Plate
Ring Getter
Available for purchase is a classic Ediswan 12AT7 / ECC81 vacuum tube. This authentic British-made valve features a robust Grey Plate construction and a Top Ring Getter. This unit is New Old Stock (NOS) and comes in its original Ediswan factory box. Ediswan valves are highly prized by audiophiles for their warm, British tonal signature and exceptional build quality.
- Type: 12AT7 / ECC81 Brand: Ediswan
- Condition: NOS in Original Box Construction: Grey Plate/ Double Mica
- Origin: Made in Great Britain Testing: Amplitrex AT1000
British Craftsmanship: Features the iconic “EDISWAN VALVE” white logo and “ECC81/12AT7” markings clearly printed on the glass envelope.
Precision Laboratory Testing: Fully screened on the Amplitrex AT1000 for Plate Current (Ip) and Transconductance (Gm) against factory bogey targets
Precision Laboratory Testing: Fully screened on the Amplitrex AT1000 for Plate Current (Ip) and Transconductance (Gm) against factory bogey 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 |
|---|---|---|---|---|---|---|---|
| 2152001 | T1 | 10.0 | 11.0 | 110.00% | 5500 | 5500 | 100.00% |
| T2 | 10.0 | 2.6 | 26.00% | 5500 | 1380 | 25.09% |
✉️ For technical inquiries, please Email us at [email protected]
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