Ununs

22/25 ohms unbalanced to 50 Ohms unbalanced Unlike Baluns, Unun's (unbalanced to unbalanced) provide impedance transformation for antennas that are naturally unbalanced because of their design configuration. Even though the unun's appear small...

12.5 Ohms unbalanced to 50 Ohms unbalanced This unbalanced design is excellent for matching antennas such as inverted L's, short vertical wires and other low feedpoint impedance designs. Windings for this model feature custom hand made low...

75 ohms unbalanced to 50 Ohms unbalanced Unlike Baluns, Unun's (unbalanced to unbalanced) provide impedance transformation for antennas that are naturally unbalanced because of their design configuration. Even though the unun's appear small is...

32 ohms unbalanced to 50 Ohms unbalanced Unlike Baluns, Unun's (unbalanced to unbalanced) provide impedance transformation for antennas that are naturally unbalanced because of their design configuration. Even though the unun's appear small is...

100 ohms unbalanced to 50 Ohms unbalanced Unlike Baluns, Unun's (unbalanced to unbalanced) provide impedance transformation for antennas that are naturally unbalanced because of their design configuration. Even though the unun's appear small...

After much research and testing, a new transformer design for End Fed Half Wave (EFHW) antennas has been achieved. Developed by Bob Glorioso, W1lS and Bob Rose KC1DSQ, they discovered that most transformers for EFHW antennas used higher impedance...

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...

Balun Designsis now offering this low power alternative in a stacked core configuration for those who want to use an End Fed Half Wave for portable or temporary installations.  Built with the same craftsmanship as all our other units, this new model...

For those that enjoy the LNR and Hy Endfed antennas, but want to run more power, Balun Designs now offers an excellent alternative.  Built with the same craftsmanship as all our other units, this new model will allow you to either replace your...

Balun Designs now offers an excellent reduced power version of our popular model 49131.  Built with the same craftsmanship as all our other units, this new model will allow you to either replace your current matching unit or construct a new medium...