Model 238B HF Tuner

The model 238B L-network antenna tuner is the most heavy duty, versatile transmatch available today. Metering for forward power (200 or 2000 watt switchable scales) and SWR are provided. Four position antenna switch. All four positions have SO-239 output connectors for 50 ohm feedlines or position #4 can be used to feed balanced ladder line with standard 4:1 matching balun internal to tuner. Heavy duty hand built 3.5 kV variable capacitor, 18 uH silver plated hand-built roller inductor. 11 position center switch to set tuner configuration (see circuit description). BYPASS mode operable in all four antenna positions. Provision on rear panel for additional fixed external capacitance if desired (capacitor included with tuner). Backed with a 3 year parts and labor warranty (effective 4/1/07).