This assembly is a double stack of mix 31 toroids, a high permeability mix used by Balun Designs for many coax wound 1:1 baluns. High pe

This assembly is a double stack of medium permeability mix 43 toroids. Best choice for medium to high power End Fed Half Wave transformers (=< 1kW)

This assembly is a double stack of a low permeability (<300) toroids, a custom ferrite mix used by Balun Designs for most wire wound designs. This mix is the best choice for a coaxial wound...

Full size (2.4") mix 31 ferrite with white identifying color and surface sealer/coating that provides excellent long term weatherproofing.  

This is a mix 43, medium permeability toroid best for moderate power (<= 500w) EFHW designs and choking above 40 MHz.

This is low permeability (<300) custom ferrite mix used by Balun Designs for most wire wound designs.  Best permeability for most wire wound baluns and ununs. Not recommended for EFHW. Can be used...

Mil Spec M17/111 coax that is just right for winding numerous types of suppression/choke baluns and some ununs.  This coax is very rugged but also somewhat stiff due to the Teflon insulator and...

All components are the same as those used in the Balun Designs pre-assembled model 1113t. The completed balun will have an SO-239 for input and two 1/4" s

The venerable 1:1 isolation/choke balun is the first of our new line of DIY kits.  All components are the same as those used in our ready made units. The completed balun will have an SO-239 for both...

We are now offering this and an expanded line of kits on our newest website balunsetc.com  

We are now offering this and an expanded line of kits on our newest website balunsetc.com  

Pricing is per foot with a minimum of 10 ft and a max of 50 ft. Teflon (PTFE) tubing is utilized with many types of balun and unun windings to increase inter conductor breakdown voltage and to manage...