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 for their tubes. 274B is glass- shell, 8-pin socket, directly heated full-wave high vacuum rectifier tube. 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. The tube is designed for 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.
5U4G/274B is glass- shell, 8-pin socket, directly heated full-wave high vacuum rectifier tube.The special blue glass tube is sensitive with signal and has low noises output.
The tube is designed for as power rectifiers in AC operated receivers which require high currents.
For this 5U4G tube,it can be directly upgraded or used by 274B/5Z3P.
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.
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 for their tubes.