The Penta Laboratories 4CX20,000D/9015 is a ceramic/metal VHF power tetrode intended for use as a RF amplifier up to 110 MHz. It is particularly recommended for use in the 88-108 MHz FM band. It features an electromechanical structure which provides high RF operating efficiency and low RF losses.

The 4CX20,000D has a gain of up to 20 dB in FMbroad-cast service. The anode is rated for 20 kilowatts of dissipation with forced-air cooling and incorporates a highly efficient coolerof new design, which significantly reduces airpressure and flow requirements and produces low acoustical noise.

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!