The 6N9S double triode is designed for amplification of low-frequency voltage.
The 6N9S double triodes are enclosed in glass bulb and are provided with an octal base and an indirectly heated oxide-coated cathode.
Best Quality, the Sound is nice - authentic vintage tone
All tubes new, military equipment and have "OTK" mark. Near equivalent: 6SL7, 6SU7 and ECC35.
The tube is manufactured by the Reflector, Saratov, Russia.
If you've never heard this Russian tube it's time to give it a chance. This tube is cheap but it worth more than it's price.
