The Penta 4CX250B amplifier tube is a forced-air cooled, 250-watt plate dissipation, external anode, ceramic and metal radial beam tetrode. The superior construction of the 4CX250B makes it ideal for use as a grid driven RF amplifier or oscillator, or an AF power amplifier or modulator.


More Information Coming Soon.

Product Specifications

Data Sheet


Part Number: 4CX250B / 7203
Call for Availability

Price: EMAIL or CALL
**Not available for online purchase.

Condition: New Current Production
Type: Single Tube