BEL ECC81 / 12AT7 – Ring Getter Made in India
NOS Matched Pair
Original Boxes
Grey Ribbed Plate
Ring Getter
Original Boxes
Grey Ribbed Plate
Ring Getter
Offering a matched pair (2 Pcs) of BEL ECC81 dual triodes, Serial Nos. 1977018 and 1977012. These Made in India tubes by Bharat Electronics Limited feature sturdy Grey Ribbed Plates and a Ring Getter construction. Produced using European tooling, BEL tubes are highly regarded for their reliability and balanced sonic profile. These units are New in Original Boxes and have been laboratory characterized on the Amplitrex AT1000.
- Type: ECC81 / 12AT7 Brand: BEL
- Condition: New in Original Box Construction: Grey Ribbed Plate / Ring Getter
- Origin: Made in India Testing: Amplitrex AT1000
Laboratory Characterization: Tested against factory 12AT7 parameters. Both tubes show strong, healthy emission, with Serial 1977018 reaching a transconductance of 4,960 uMhos.
⚠️ 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 |
|---|---|---|---|---|---|---|---|
| 1977018 | T1 | 10 | 8.2 | 82.0% | 5500 | 4960 | 90.2% |
| T2 | 10 | 7.0 | 70.0% | 5500 | 4500 | 81.8% | |
| 1977012 | T1 | 10 | 6.8 | 68.0% | 5500 | 4500 | 81.8% |
| T2 | 10 | 6.6 | 66.0% | 5500 | 4310 | 78.4% |
✉️ For technical inquiries, please Email us at [email protected]
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