Rectifier Tubes
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I currently stock nine rectifier tube types. The first three are made by Shuguang in China. The first is a 5AR4/GZ34 type, and the second is a copy of the WE 274B. The 274B can be used to replace 5U4G and 5R4G tubes also. The third type is a "normal" 5U4G. Next is an EZ81 type made by JJ in Slovakia. Next three Russian types. The 5Z3S is a 5U4G equivalent. The 5Z4S is similar to the 5V4G(A), but the max. current is 125mA vs. the 175mA of the 5V4. The last type is a high-power rectifier made by Svetlana in the 60's and 70's. Finally two US types. The 5V4GA can also replace the 5V4G (only the glass shape differs). The 6BY5GA is a 5V4GA, but with an isolated 6V heater. |