Welcome to Balun Designs

We wind high quality baluns and ununs for Amateur Radio and commercial applications based on the researched and tested designs of Dr. Jerry Sevick, W2FMI.  All our products are individually hand wound with only the best available components and can be customized to fit your needs.   Please contact us if you require a special ratio, connector configuration or enclosure design as we can build a match to most requests. 

If you would like reassurance of product quality and performance, please take a moment to read the eham reviews for our 1:1 baluns,  4:1 baluns  and numerous other models.

To help reduce customer's shipping costs, we have integrated low USPS Flat Rate Priority shipping for upto 3 baluns in the US and worldwide. For quantities of 4-6 within the US, there is a small increase in cost. Please contact us for special rates on international shipments of more than three baluns or ununs. There is no handling fee added to your shipping cost.

Shipping Note: We have made every effort to provide the shipping calculator the information required to correctly calculate charges. Please contact us if you feel the charges are incorrect and need review.

Thanks for your interest and 73's

Bob Rumsey,  KZ5R 

Owner - Balun Designs LLC

Featured Products
Mod III 4:1 Tuner Balun 1 - 54MHz 5kw - #4124 Excellent for loops and ladder line to coax transformation.	Combo Balun for OCF Dipoles 1.5 - 54MHz 5kw #4115ocf Perfect for your next OCF dipole.	Dual Core 4:1 Current Balun 5kw 1 - 54MHz #4115 Separate Cores for High Power Capability	Max Choking 1:1 Isolation Balun 1 - 54 MHz 5kw - #1115d Stacked cores for elimination of tough RFI and RF problems	QRP 4:1 Unun 1.5 - 54MHz 300 watts #4130 Great for Random Wire Antennas

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