Valvo ECC81/12AT7 – Grey Plate Made in Germany
NOS Single Tube
Original Box
Grey Plate
Top Ring Getter
Original Box
Grey Plate
Top Ring Getter
Offering a single (1 Pc) Valvo ECC81 dual triode, Serial No. 244002. This premium Made in Germany tube features classic Grey Plates and a Top Ring Getter construction. Valvo tubes are highly regarded by audiophiles for their neutral, detailed sound profile and exceptional German engineering standards. This unit is New in Original Box and has been laboratory characterized on the Amplitrex AT1000.
- Type: ECC81 / 12AT7 Brand: Valvo
- Condition: New in Original Box Construction: Grey Plate / Top Ring Getter
- Origin: Made in Germany Testing: Amplitrex AT1000
Laboratory Characterization: Tested against industry standard 12AT7 parameters. This specimen demonstrates healthy plate current on triode section T1 at 8.2 mAdc.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mAdc) | Result Ip (mAdc) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 244002 | T1 | 10 | 8.2 | 82.0% | 5500 | 4540 | 82.5% |
| T2 | 10 | 7.6 | 76.0% | 5500 | 3270 | 59.5% |
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