4:1 Ununs

Designed for use with end fed wire antennas and multiband verticals,  this unun is small, compact and perfect for quick portable/emergency installations. This 4:1 Unun (200-50 ohms) will easily handle 300 watts and covers 1.5 - 54 MHz. Using...

This is the single core version of our popular 4:1 unun model 4134 designed for use with wire verticals, random length long wires and multiband verticals. Wound on a single core for reduced power applications, this unun delivers efficient broadband...

Heavy duty 5kW, 4:1 unun designed for use with wire verticals, long wires and multiband monopole verticals. Utilizes stacked cores to deliver efficient broadband performance and high power rating across all HF frequencies. Works well with both internal...

Our new design is perfect for matching both long and short length wire antennas for multiband use.  When used with the stated lengths shown in the table below, the 9:1 ratio will allow the internal tuner of most rigs to...

Based on the success of our model 4932, this 5kW configuration is also perfect for matching both long and short length wire antennas for multiband use.  When used with the stated lengths shown in the table below, the 9:1 ratio...