BEL ECC83M — Matched Pair
MADE IN INDIA | GOLD PINS | TOP RING GETTER
Gold Pins
Matched Pair
Amplitrex Verified
Available for purchase is a premium matched pair of vintage BEL ECC83M (12AX7) tubes. Manufactured by Bharat Electronics Limited in India, these feature rare Gold Pins and a Top Ring Getter. These tubes are known for their rugged internal construction and exceptional signal integrity.
Tested on the Amplitrex AT1000, the results below utilize the Percentage Method relative to original factory design-center specifications (Ip = 1.2 mA / Gm = 1600 µMhos). Both units test extremely strong, showing massive emission and high mutual conductance values.
| Serial No. | Test Triode – T1/T2 | Parameter ip mAdc | Result ip mAdc | % Ip (Emission) | Parameter Gm uMhos | Result Gm uMhos | % Gm (Transc.) |
|---|---|---|---|---|---|---|---|
| #2784002 | Triode 1 | 1.2 | 2.2 | 183.3% | 1600 | 2200 | 137.5% |
| Triode 2 | 1.2 | 3.5 | 291.6% | 1600 | 2680 | 167.5% | |
| #2784003 | Triode 1 | 1.2 | 2.0 | 166.6% | 1600 | 2200 | 137.5% |
| Triode 2 | 1.2 | 2.3 | 191.6% | 1600 | 2330 | 145.6% |
⚠️ 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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