BEL 6201
3 HOLE PLATE | TOP RING GETTER | GOLD PINS | MATCHED PAIR
Made in India
3 Hole Plate
Gold Pins
Up for sale is a premium laboratory-matched pair of BEL 6201 valves. These are high-reliability versions of the ECC81/12AT7, featuring rare 3-Hole Plates, Top Ring Getters, and high-conductivity Gold Pins. Proudly Made in India, these units are supplied in their original BEL branded boxes.
Precision tested on our Amplitrex AT1000 digital laboratory system, the results below utilize the Percentage Method against original factory design-center specifications (Ip = 10.0 mA / Gm = 5500 µMhos). Both tubes test exceptionally strong and balanced.
| Serial No. | Test Triode | Parameter Ip | Result Ip | % Ip | Parameter Gm | Result Gm | % Gm |
|---|---|---|---|---|---|---|---|
| 1459063 | T1 | 10.0 | 13.8 | 138.0% | 5500 | 6240 | 113.5% |
| T2 | 10.0 | 11.6 | 116.0% | 5500 | 6270 | 114.0% | |
| 1459082 | T1 | 10.0 | 11.2 | 112.0% | 5500 | 6300 | 114.5% |
| T2 | 10.0 | 12.8 | 128.0% | 5500 | 6430 | 116.9% |
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
Note: We Have More Than 100 Pcs
Quality Verified Since 1970
Specializing in thoroughly tested and screened quality vacuum tubes.
Testing equipment includes Amplitrex AT1000, Hickok 752a, and AVO Type 160.
Support: [email protected] Precision Verified — NOS Audio Tubes













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