Tungsram ECC81 / 12AT7 NOS Single Tube
NOS Single
New In White Box
Grey Plate
Large Ring Getter
New In White Box
Grey Plate
Large Ring Getter
Offering a high-performance New Old Stock (NOS) Tungsram ECC81 (12AT7) dual triode, Serial No. 4895001. This authentic Hungarian-manufactured valve features Grey Plates, Double Mica construction for superior stability, and a Large Ring Getter. The unit is housed in a clean white protective box and has been laboratory tested on the Amplitrex AT1000.
- Type: ECC81 / 12AT7 Brand: Tungsram
- Condition: NOS in White Box Construction: Grey Plate / Large Ring Getter / Double Mica
- Origin: Made in Hungary Testing: Amplitrex AT1000
Laboratory Characterization: Tested against factory reference parameters..
Performance: This tube displays exceptionally high plate current results, testing well above standard reference levels.
Performance: This tube displays exceptionally high plate current results, testing well above standard reference levels.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Triode | Parameter Ip (mA) | Result Ip (mAdc) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm | RP ohms | Mu (μ) |
|---|---|---|---|---|---|---|---|---|---|
| 4895001 | T1 | 10.0 | 28.0 | 280% | 5500 | 4210 | 76% | 5.0K | 21.0 |
| T2 | 10.0 | 32.4 | 324% | 5500 | 4750 | 86% | 5.0K | 23.7 |
✉️ For technical inquiries, please Email us at [email protected]
Whatsapp: +1 (630) 597-3966
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