Product Information
- 274B is glass- shell, 8-pin socket, directly heated full-wave high vacuum rectifier tube.
- The tube is designed for service as power rectifiers in AC operated receivers which require high currents.
- For this 274B tube,it can be directly upgraded or used by 5U4G/5Z3P.
- This is vacuum tubes made by Linlai Tube which is a factory in China.With rich producing and design experiences,Linlai Tube supply the up to great quality and service for their tubes.
- This tube is used sapphire crystal as a bulb, which not only brings visual art enjoyment to people, but also has the function of shielding electronic clutter and uniform electron escape.
