QRPGuys 1:1 and 4:1 Voltage Baluns


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The QRPGuys baluns are used in matching a balanced antenna, eg. 1/2 wave dipole to your coaxial feed line which is unbalanced. This eliminates feedline radiation that can cause problems such as  inducing radiation in nearby objects, like house wiring resulting in feedline power loss and TVI. We offer either 1:1 or 4:1 compact baluns for your needs that are rated to 20 watts for portable operations. They have all S.S. connection hardware for antenna elements and a female BNC connecting to your feedline. We provide a 1/4″ dia. hole for a line to hoist the assembly. Assembled weight is 1.3oz. or 36gm. They are easy to build. On a difficulty scale of 1 to 5, 5 being the most difficult, this is rated at 1, and can be built in less than an hour.


Click here for the 1:1 balun assembly manual

Click here for the 4:1 balun assembly manual