Off Center Fed (OCF) Antennas

50:450 ohm (9:1) CUBE™ Balun, 1.8-61 MHz, 1.5 KW, SO-239 UHF Input, BBTD, Traveling Wave Antennas

SKU CB-9-1500TS
In stock
Product Details

Model CB-9-1500 is a 9:1 multi-core, balanced output balun housed in a water resistant enclosure with top stud/wingnuts (TS) or Eye bolts (halyard top hoist, side eye bolts/outputs) used to translate a 50 ohm input up to 450 ohms at RF power levels up to 1500 watts PEP when used with a matched load. With matched 450 ohm load the SWR over the frequency range 1.8 to 61 MHz is less than 2:1 on the coax feed side. Actual SWR is under 1.25:1 from 1.8-180 MHz so very useful for 30-150 MHz also - see graphs for specific details


* Wide Frequency Range 1.8-161 MHz, usable to 180 MHz

* High Power, 1500 watts PEP (up to 61 MHz)

* Convenient side tab mounting feet

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OCF antennas are very convenient as they will allow multiple bands of operation with a simple wire antenna which is fed off center with a 4:1 OCF Current balun with built in feed line choke,