The Penta Laboratories 4CX20,000E is a ceramic/metal power tet-rode intended for use as a VHF power amplifier. It features a type of internal mechanical structure, which results in rf operating efficiency. Low rf losses in this structure permit operation at full ratings to 110 MHz.

The 4CX20,000E provides high gain in FM broadcast service and is also recommended for rf linear power amplifier service, including
IBOC digital transmission. The anode is rated for 20 kilowatts of dissipation with forced-air cooling and incorporates a compact, highly efficient cooler of new design.

Our Tubes are covered by a standard 12 Month/1,000 Hour Warranty Please message us with any concerns or questions about your order, Thank you!