RFT ECC81 / 12AT7 NOS Single Tube
NOS Single
New In White Box
Grey Plate
Halo Getter
New In White Box
Grey Plate
Halo Getter
Offering a New Old Stock (NOS) 1 Pc RFT ECC81 (12AT7) dual triode, Serial No. 4526002. This authentic East German valve features Grey Plates, Double Mica construction, and a standard Halo (Ring) Getter. The unit comes in a new protective white box and has been laboratory tested on the Amplitrex AT1000 Digital Tube Tester.
- Type: ECC81 / 12AT7 Brand: RFT
- Condition: NOS in White Box Construction: Grey Plate / Double Mica
- Origin: Made in East Germany Testing: Amplitrex AT1000
Laboratory Characterization: Tested against factory reference parameters (Ip=10.0, G_m=5500).
Performance: This tube displays steady characteristics with a transconductance of 4230 uMhos on Triode 2.
Performance: This tube displays steady characteristics with a transconductance of 4230 uMhos on Triode 2.
⚠️ 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 |
|---|---|---|---|---|---|---|---|
| 4526002 | T1 | 10.0 | 6.0 | 60% | 5500 | 3800 | 69% |
| T2 | 10.0 | 7.2 | 72% | 5500 | 4230 | 77% |
Email: [email protected] Precision Verified — NOS Audio Tubes
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