5:1 CUBE™ Unun – Model CU-5-1500 (50:250 Ohm, 1.8-61 MHz, 1.5KW PEP)
Application. For traveling wave, end fed or portable 20-31 foot vertical antennas the 5:1 unun makes a good transformer for converting 50 ohm coax to a 250 ohm feed point. If you use the antenna on multiple bands, the feed point impedance may not always be 250 ohms and use of the unun at high (>350 ohms) or low (<100 ohms) will require reduced power input or the unun may have its power ratings exceeded and damage to the unun may occur. The (5:1 conversion ratio will change for loads other than 250 ohms unbalanced.
Typical application:
Also available as a balanced output – CB-5-1500
Off Center Fed Dipole Transformers
Refine by
On Sale
50:300 (6:1) CUBE™ Balun, 1-61 MHz, 1.5/3KW (choose top stud/eyebolt/power rating)
50:300 (6:1) CUBE™ Balun, 1-61 MHz, 1.5/3KW (choose top stud/eyebolt/power rating)
SKU CB-6-1500
List price
$149.95
Save 27%
$109.95
On Sale
Hybrid 4:1 Balun + 1:1 Current Balun in one enclosure, 1.8-61 MHz, 1.5/5KW PEP - Loop, OCF Antennas
Hybrid 4:1 Balun + 1:1 Current Balun in one enclosure, 1.8-61 MHz, 1.5/5KW PEP - Loop, OCF Antennas
SKU CB-4-1-1500
List price
$189.95
Save 26%
$139.95
On Sale
Hybrid 6:1 Current Balun + 1:1 Current Balun in one enclosure, 1.8-61 MHz, 1.5KW/5KW PEP
Hybrid 6:1 Current Balun + 1:1 Current Balun in one enclosure, 1.8-61 MHz, 1.5KW/5KW PEP
SKU CB-6-1-1500
List price
$189.95
Save 21%
$149.95
On Sale
Off Center Fed Dipole Antenna, 40-6 Meters, 500/1.5KW/5KW PEP rated - FREE shipping in USA
Off Center Fed Dipole Antenna, 40-6 Meters, 500/1.5KW/5KW PEP rated - FREE shipping in USA
SKU PAL-OCF4010-500
List price
$279.95
Save 46%
$149.95
On Sale
Off Center Fed Dipole Antenna, 80-6 Meters (8 bands-including 15 meters), 500/1.5KW/5KW PEP rated - FREE shipping in USA
Off Center Fed Dipole Antenna, 80-6 Meters (8 bands-including 15 meters), 500/1.5KW/5KW PEP rated - FREE shipping in USA
SKU PAL-OCF8010
List price
$359.95
Save 53%
$169.95
Off Center Fed Dipole Transformers
Refine by
On Sale
50:300 (6:1) CUBE™ Balun, 1-61 MHz, 1.5/3KW (choose top stud/eyebolt/power rating)
50:300 (6:1) CUBE™ Balun, 1-61 MHz, 1.5/3KW (choose top stud/eyebolt/power rating)
SKU CB-6-1500
List price
$149.95
Save 27%
$109.95
On Sale
Hybrid 4:1 Balun + 1:1 Current Balun in one enclosure, 1.8-61 MHz, 1.5/5KW PEP - Loop, OCF Antennas
Hybrid 4:1 Balun + 1:1 Current Balun in one enclosure, 1.8-61 MHz, 1.5/5KW PEP - Loop, OCF Antennas
SKU CB-4-1-1500
List price
$189.95
Save 26%
$139.95
On Sale
Hybrid 6:1 Current Balun + 1:1 Current Balun in one enclosure, 1.8-61 MHz, 1.5KW/5KW PEP
Hybrid 6:1 Current Balun + 1:1 Current Balun in one enclosure, 1.8-61 MHz, 1.5KW/5KW PEP
SKU CB-6-1-1500
List price
$189.95
Save 21%
$149.95
On Sale
Off Center Fed Dipole Antenna, 40-6 Meters, 500/1.5KW/5KW PEP rated - FREE shipping in USA
Off Center Fed Dipole Antenna, 40-6 Meters, 500/1.5KW/5KW PEP rated - FREE shipping in USA
SKU PAL-OCF4010-500
List price
$279.95
Save 46%
$149.95
On Sale
Off Center Fed Dipole Antenna, 80-6 Meters (8 bands-including 15 meters), 500/1.5KW/5KW PEP rated - FREE shipping in USA
Off Center Fed Dipole Antenna, 80-6 Meters (8 bands-including 15 meters), 500/1.5KW/5KW PEP rated - FREE shipping in USA
SKU PAL-OCF8010
List price
$359.95
Save 53%
$169.95