4cx350a Websites
RF Tube data, Power Amplifiers, YC156, application notes - G8WRB
- g8wrb.org
Data on valves or tubes from Amperex, Burle, Eimac, GEC, Philips, Penta, RCA, and Svetlana
Data on valves or tubes from Amperex, Burle, Eimac, GEC, Philips, Penta, RCA, and Svetlana