6201 BEL — Gold Pin Premium
NOS NEW IN ORIGINAL BOX | MULLARD/PHILIPS TOOLING
Made in India
Gold Pins
Ring Getter
Amplitrex Verified
Gold Pins
Ring Getter
Amplitrex Verified
Up for sale is a laboratory-verified 6201 (Premium 12AT7/ECC81) manufactured by Bharat Electronics Ltd. (BEL). Produced using original Mullard/Philips machinery and technical know-how, these valves offer the same legendary performance as European-made versions.
This military-grade unit features Gold Pins and a Grey Plate construction with an Ring getter. Tested on the Amplitrex AT1000, the results below are presented using the Percentage Method (Ip = 10.0 mA / Gm = 5500 µMhos).
| Serial No. | Test Triode | Parameter Ip | Result Ip | % Ip | Parameter Gm | Result Gm | % Gm |
|---|---|---|---|---|---|---|---|
| #1459105 | T1 | 10.0 | 9.8 | 98.0% | 5500 | 5690 | 103.4% |
| T2 | 10.0 | 11.4 | 114.0% | 5500 | 5850 | 106.3% |
⚠️ Note: Custom duties and taxes are the responsibility of the buyer in their country.
Precision Verified — NOS Audio Tubes
Reviews
There are no reviews yet