Off Center Fed (OCF) Antennas Balun/Unun DIY Kits Store/Antenna Products/CUBE Impedance Transformers (<1:1, 1:1, >1:1)/Balun/Unun DIY KitsRefine by Sort byWe recommendNewest arrivalsPrice: Low to HighPrice: High to LowName: A to ZName: Z to AFiltersClear allFiltersClear allShow itemsShow items50:200 ohm (4:1) Dual Core Current Balun Kit, 1-55 MHz, 1500 watts PEP, for OCF, Loop, Ladder Line Antennas50:200 ohm (4:1) Dual Core Current Balun Kit, 1-55 MHz, 1500 watts PEP, for OCF, Loop, Ladder Line AntennasLadderline to Coax TransformerSKU BA-4-1500DC$37.95 Buy Now50:200 ohm (4:1) HF Balun or Unun Core Kit, 3-31 MHz, 250 watts50:200 ohm (4:1) HF Balun or Unun Core Kit, 3-31 MHz, 250 wattsSKU BA-4-250$19.95 Buy Now50:450 ohm (9:1) Balun or Unun Core Kit, .5-32 MHz, 1000 watts PEP, end fed/Ladder Line, T2FD antenna50:450 ohm (9:1) Balun or Unun Core Kit, .5-32 MHz, 1000 watts PEP, end fed/Ladder Line, T2FD antennaSKU BA-9-1000$29.95 Buy Now50:450 ohm (9:1) Balun or Unun Core Kit, 1.8-30 MHz, 250 watts PEP, end fed, T2FD antenna50:450 ohm (9:1) Balun or Unun Core Kit, 1.8-30 MHz, 250 watts PEP, end fed, T2FD antennaSKU BA-9-250$21.95 Buy Now50:50 ohm (1:1) Common Mode Choke HF Balun Kit - 1500 watt PEP, 1.8-31 MHz50:50 ohm (1:1) Common Mode Choke HF Balun Kit - 1500 watt PEP, 1.8-31 MHzSKU BA-1-1500$29.97 Buy NowEnclosure Box - 4" x 4" x 4"Enclosure Box - 4" x 4" x 4"SKU CB-Box-2$19.95 Buy NowEnclosure Box - 4.375" x 4.375" x 2.375"Enclosure Box - 4.375" x 4.375" x 2.375"SKU CB-Box-1$14.95 Buy NowEnclosure Box - 6" x 6" x 4"Enclosure Box - 6" x 6" x 4"SKU CB-Box-3$27.95 Buy NowOn SaleFT140-43, ID=.9", OD=1.4", RFI Range 25-300 MHzFT140-43, ID=.9", OD=1.4", RFI Range 25-300 MHzSKU F140-43List price $4.50 Save 14%$3.89 Buy NowHalyard Hoist Eyebolt Kit - 1/4-20 Stainless SteelHalyard Hoist Eyebolt Kit - 1/4-20 Stainless SteelSKU TEK-1/4-1$4.95 Buy NowN Connector Kit (female chassis connector)N Connector Kit (female chassis connector)SKU UG-58-1$7.49 Buy NowPreassembled Balun & Unun Boxes, Stainless Hardware - just add your ferrite choke or transformerPreassembled Balun & Unun Boxes, Stainless Hardware - just add your ferrite choke or transformerSKU CU-BOX-1-SO$49.95 Buy NowSO-239 Kit (female chassis connector + hardware)SO-239 Kit (female chassis connector + hardware)SKU SO-239 Kit-1/2$3.95 Buy NowSide Eyebolt Kit - 1/4-20 Stainless SteelSide Eyebolt Kit - 1/4-20 Stainless SteelSKU SEK-1/4-1$5.95 Buy NowSide or Top Stud Kit - 1/4-20 Stainless SteelSide or Top Stud Kit - 1/4-20 Stainless SteelSKU SSK-1/4-1$3.95 Buy NowUHF PL-259 Male Plug to SO-239 Female Right Angle 90 Degree RF Adapter ConnectorUHF PL-259 Male Plug to SO-239 Female Right Angle 90 Degree RF Adapter ConnectorSKU UHF-90$6.95 Buy Now 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,