The Drake L-4B has 1000 watts PEP power input on AM, CW and RTTY and 2000 watts input on SSB. It covers 80, 40, 20, 15 and 10 meters (10 meters not available on late production). The high efficiency Class B Grounded Grid Circuit uses the new Eimac 3-500Z zero bias triodes. Power requirements are 115 V AC 50-60 Hz 30 amps or 230 V AC 50-60 Hz 15 amps. The included L-4 PS power supply (not shown) is in a separate enclosure. This amp features a quiet blower. There is a built in wattmeter calibrated at 300/3000 watts forward and 300 watts reflected.
Do you know this rig? Tell us something about it!
Estimating the value of a rig can be challenging. We collect prices paid by real hams over the years to help you estimate the current value of the Drake L-4B. Just bought or sold this model? Let us know what you traded it for and help other ham operators!