> Where can a person get one of these > things?? (3CX5000A7 that is) > > Dennis W7JX Are you speaking possibly of the Eimac YC-156? These are fairly easy to find on E-Bay and elsewhere. Medical pulls are available, and this tube requires no socket. This is c. 3CX15000 with 5000 watt anode fins. (((73))) Phil Clements, K5PC