Sylvania 212-D Oct 3 Written By Iain Really BIG triode. As I understand it Western Electric and Sylvania made this beastie. I have not been able to locate the datasheet but it makes a 211 look small. Sylvania Iain
Sylvania 212-D Oct 3 Written By Iain Really BIG triode. As I understand it Western Electric and Sylvania made this beastie. I have not been able to locate the datasheet but it makes a 211 look small. Sylvania Iain