RUSSIAN 6H9C (6SL7GT) — Matched Pair 2 Pcs
Laboratory Verified
Made in Russia
Black Base
Bottom Leaf Getter
Amplitrex AT1000 Tested
Available is a high-quality matched pair (2 Pcs) of Russian 6H9C (6SL7GT) twin triodes. These are rugged, reliable vintage valves featuring Grey Plates, Black Base, and a Bottom Leaf Getter. Known for their warm, musical character and high gain, the 6H9C is an excellent choice for phase inverter and voltage amplifier stages in Hi-Fi amplifiers and professional studio gear.
Both tubes have been precision-tested on the Amplitrex AT1000. Performance results are calculated as a percentage against the factory design parameters for the 6H9C (Ip = 2.3 mA / Gm = 1600 µMhos).
| Serial No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 2896051 | T1 | 2.3 | 2.7 | 117% | 1600 | 1900 | 118% |
| T2 | 2.3 | 2.6 | 113% | 1600 | 1900 | 118% | |
| 2896083 | T1 | 2.3 | 2.7 | 117% | 1600 | 1900 | 118% |
| T2 | 2.3 | 2.7 | 117% | 1600 | 1900 | 118% |
About NOS Audio Tubes
We specialize in quality-screened and laboratory-tested vacuum tubes. Based in Mumbai, India, our team has over 50 years of experience in the valve industry. With an inventory of roughly 300,000 tubes, we ensure technical accuracy using professional equipment like the Amplitrex AT1000.
Notice: International buyers are responsible for customs duties and taxes. Please confirm your order for potential extended area delivery surcharges.
NOTE: WE HAVE MORE THAN 7000 PCS
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