BEL ECC83S — Gold Pins
MADE IN INDIA | BLACK PLATE | SPECIAL QUALITY
Black Plate
NOS Condition
Amplitrex AT1000
Available for purchase is a single premium vintage BEL ECC83S (12AX7) preamp tube, manufactured in India by Bharat Electronics Limited. This is the highly coveted Gold Pin variant with Black Plates, representing the finest build quality from the BEL factory. Known for their musical transparency and low noise floor, these tubes are a superb upgrade for high-end audio gear.
Precision tested on the Amplitrex AT1000 digital laboratory tester, the results below utilize the Percentage Method against original factory design-center specifications (Ip = 1.2 mA / Gm = 1600 µMhos). This particular unit tests exceptionally strong, far exceeding standard nominal values.
| Serial No. | Test Triode – T1/T2 | Parameter ip mAdc | Result ip mAdc | % Ip (Emission) | Parameter Gm uMhos | Result Gm uMhos | % Gm (Transc.) |
|---|---|---|---|---|---|---|---|
| #1544001 | Triode 1 | 1.2 | 3.3 | 275.0% | 1600 | 2800 | 175.0% |
| Triode 2 | 1.2 | 3.0 | 250.0% | 1600 | 2500 | 156.2% |
⚠️ Note: Custom duties and taxes are the responsibility of the buyer in their country.
Custom duties and taxes are the responsibility of the buyer in their country.
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