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Eimac 4CX15.000A 4CX15000A ceramic/metal tetrode vacuum

Article Sent By: ricky_elliott@machine--tools.com (Ricky Elliott)
Ricky Elliott is presenting: Eimac 4CX15.000A 4CX15000A ceramic/metal tetrode vacuum
Eimac 4CX15.000A 4CX15000A ceramic/metal tetrode vacuum tube
This tube is good, as I personally saw it last operate (on air) in October, 2005.
Transmitter was scrapped out in the summer of 2006.
Stamped on its heat sink side says: REBUILT BY ECONCO WOODLAND, CA USA.
The upper heat sink fins show NO signs of over-heating; therefore it was tuned properly in its usage. Porcelin insulator rings show no signs of arcing. The upper heat sink outer area shows very minor surface rust as seen in the photo. Contact rings show minor finger stock tarnish. “Greenish” in color. Can be polished off, no problem.
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Eimac 4CX15.000A 4CX15000A ceramic/metal tetrode vacuum Eimac 4CX15.000A 4CX15000A ceramic/metal tetrode vacuum Eimac 4CX15.000A 4CX15000A ceramic/metal tetrode vacuum