10
Août
Vintage Sylvania 7203/4CX250B# electronic power tetrode tube
Serial No. 4CX250B electronic tube (vacuum tube). Type: 7203. Manufacturer: GTE Sylvania Inc.
10
Août
Eimac 7203/4CX250B Transmitting Tetrode, Beam Power Tube
Eimac 7203/4CX250B Transmitting Tetrode, Beam Power Tube. Purchased in a lot of disused equipment from a defunct radio station. The box is marked both "NEW" and "OUT 02/18/05 6011...
08
Août
(1) Vintage NOS Eimac 7203 / 4CX250B Ceramic Power Tetrode Tube Complete NEW!!
1) Vintage NOS Eimac 7203 / 4CX250B Ceramic Power Tetrode Tube Complete NEW SELLING AS IS - NO REFUNDS