Long the standard of the industry the W2AU baluns are built to last!
The W2AU is the preferred Balun of Amateurs worldwide. W2AU’s operate at a low VSWR from 1.8 to 40 mHz, and handle powers up to 2 KW PEP (at SWRs of less than 3:1). W2AU Baluns are transformer designs with ferrite cores to provide 95% minimum coupling efficiency. Each has a built-in lightning arrestor, hang up hook, and 600 lbs of pull-apart strength in a weatherized, rugged package using only stainless steel hardware and quality materials. Two models are available. The 4:1 matches 50(75) ohm unbalanced coax to 200(300) ohm folded dipoles.
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Unadilla 4:1 Balun
A very well made product that worked very well in my home made delta loop 40 meter and 17 meter projects.Very happy with the quality and the quick response and fast arrival of the baluns I bought from you recently.A pleasure do do business with NI4L Antennas again.