BEL 12AT7WA/ECC81 – Short Grey Plate Golden Pin Made in India
NOS Matched Pair
Gold Pins
Short Grey Plate
Top Ring Getter
Gold Pins
Short Grey Plate
Top Ring Getter
Offering a matched pair (2 Pcs) of BEL 12AT7WA high-reliability dual triodes, Serial Nos. 3804017 and 3804012. These Made in India tubes feature Gold Pins for superior conductivity, Short Grey Plates, and a Top Ring Getter. The “WA” designation indicates a ruggedized, military-spec construction designed for long life and stability. These units are New in White Boxes and have been laboratory characterized on the Amplitrex AT1000.
- Type: 12AT7WA / ECC81 Brand: BEL
- Condition: New in White Box Construction: Short Grey Plate / Gold Pins
- Origin: Made in India Testing: Amplitrex AT1000
Laboratory Characterization: Tested against standard 12AT7 parameters. These tubes exhibit consistent performance, with Serial 3804012 showing a strong plate current of 10.4 mAdc on triode section T2.
⚠️ 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 |
|---|---|---|---|---|---|---|---|
| 3804017 | T1 | 10 | 8.2 | 82.0% | 5500 | 3800 | 69.1% |
| T2 | 10 | 8.6 | 86.0% | 5500 | 3900 | 70.9% | |
| 3804012 | T1 | 10 | 7.8 | 78.0% | 5500 | 3890 | 70.7% |
| T2 | 10 | 10.4 | 104.0% | 5500 | 3990 | 72.5% |
✉️ For technical inquiries, please Email us at [email protected]
Whatsapp: +1 (630) 597-3966
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