Shuguang 274B Vacuum Tube Electron Tube Improved For 5Z3P 5U4G 274. This tube has been manufactured with improved anode materials and cathode to allow for increased current handling without arcing. Overall stability is greatly improved.
Shuguang 274B Vacuum Tube Electron Tube Improved For 5Z3P 5U4G 274. This tube has been manufactured with improved anode materials and cathode to allow for increased current handling without arcing. Overall stability is greatly improved.