Antenna Products

50:450 ohm (9:1) CUBE™ Unun, 1.8-31 MHz, 5 KW PEP, End Fed Antenna

SKU CU-9-5000
$189.95
In stock
1
Product Details

Model CU-9-5000 is a 9:1 multi-core unun housed in a NEMA enclosure box (6″ x 6″ x 4″) with top stud/eyebolt output used to translate a 50 ohm input up to 450 ohms at RF power levels up to 5000 watts PEP (SSB) when used with a matched load.

Great for end fed antennas - FT-8 and digital mode power ratings are approximately 30% of PEP ratings into a matched 450 ohm load. For non-resonant end fed antennas, you will need a feed line choke on the coax. See typical antenna configuration notes below for details.

Non-Resonant End Fed Antenna Configuration Notes
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