12:1 Baluns/Ununs

890710942 - 12:1 Baluns/Ununs

Enclosure Box - 4.375" x 4.375" x 2.375"

Store/Antenna Products/CUBE Impedance Transformers (<1:1, 1:1, >1:1)/Enclosure Boxes and Hardware
SKU CB-Box-1
$14.95
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Enclosure Box - 4.375" x 4.375" x 2.375"
Store/Antenna Products/CUBE Impedance Transformers (<1:1, 1:1, >1:1)/Enclosure Boxes and Hardware
Product Details

Weather resistant PVC enclosure with top gasket, side feet for mounting to surface.

Side mounts increase width to 6" end to end, holes are 1/4", hole separation is 5.375"


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12:1 Baluns are useful between 600-650 ohm balanced loads the impedance at the  end of the feed line is 600 ohms (1/2 wavelength feed line), or high impedance feeds for rhombic,  T2FD and traveling wave antennas.

12:1 Ununs are useful between coax and long wires with a load impedance near 600 ohms like a beverage antenna.  Shortwave listener antennas also can benefit with the 12:1 unun and it may provide a better match than 9:1 ununs – this means quieter noise levels and stronger signals so you can hear distance stations easier.