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W2AU 1:1 balun

 Temporarily unavailable 

W2AU 4:1 balun

 Temporarily unavailable 

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Unadilla W2AU balun

The Unadilla W2AU 1:1 balun is designed to handle full 2000 watts power. It matches 50-75 ohms coax to 50-75 ohms balanced. It has 1 to 1 impedance ratio and covers 1.8 to 40 MHz. 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. It is small, rugged and weighs only 6.5 ounces and is 6 inches long with a 1.5 inch diameter.

The Unadilla W2AU 4:1 is identical, but with a 1 to 4 impedance ratio. It matches coax 50-75 ohm coax to 200-300 ohms balanced.

Both modesl are voltage baluns and terminate to an SO-239.

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