HI POWER QRO 9:1 BALUN / UNUN
This is Hi-Power QRO 9:1 Balun / Unun.
There is a Magnetic Longwire Balun. It is an impedance 9:1 transformer to feed a high impedance, end fed (unbalanced) random wire which is likely to be a few hundred ohms, and transform it into something closer to a 50 ohm (unbalanced) coaxial input, hence UnUn. It can however also be used as a balun by not grounding the other half of the balanced output.
This balun is built around the high-quality ferrite core for coverage from 100 KHz to 30 MHz, including all the shortwave bands from 160-10 meters as well as the AM broadcast band.
This balun can be used for transmitting and handles up to 1500 W PEP.
More pictures of this balun are there.
RF range - 0.1 ... 30 MHz
RF Power - 1500 W PEP
Connector - SO-239
Weight - 0.8 kg
Dimensions (mm) - 180 x 130 x 60
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Click the button below and buy the Balun for 41 USD + 20 USD shipping.