BEL ECC81 / 12AT7 – 2 PCS
GRADE: GOLD SERIES | LABORATORY VERIFIED NOS
Top Ring GetterNew in Original Boxes
Made in India
Amplitrex AT1000 Tested
Offered here is a choice vintage matched pair lot of 2 BEL ECC81 / 12AT7 dual-triode audio valves, beautifully preserved in their original vintage red and white boxes. Manufactured in India by Bharat Electronics Limited (BEL) utilizing premium European tooling, these highly regarded audio tubes feature robust Grey Plates and a crisp Top Ring Getter configuration, sporting clean original golden glass print branding.
As captured in each individual valve has been thoroughly tested and verified on our laboratory-grade Amplitrex AT1000 digital tube analyzer. Following the layout verified in image_cfd59f.png, the data table below provides the full side-by-side factory parameters alongside the laboratory-measured results for both triode sections.
| Serial No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 2055166 | T1 | 10.0 | 10.2 | 102% | 5500 | 5270 | 96% |
| T2 | 10.0 | 8.4 | 84% | 5500 | 5170 | 94% | |
| 2055109 | T1 | 10.0 | 10.0 | 100% | 5500 | 5620 | 102% |
| T2 | 10.0 | 9.0 | 90% | 5500 | 5500 | 100% |
Note: Custom duties and taxes are the responsibility of the buyer in their country.
Note: We have more than 100 Pcs
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