Computer RFI Kits

2675783149 - Computer RFI Kits
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50:200 (4:1) CUBE™ Balun, 1.8-61 MHz, 5KW (choose top stud/eyebolt output) - FREE USA SHIPPING

Store/Antenna Products/CUBE Impedance Transformers (<1:1, 1:1, >1:1)/50:200 ohm (4:1) Transformers
SKU CB-4-5000TS
$149.95
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50:200 (4:1) CUBE™ Balun, 1.8-61 MHz, 5KW (choose top stud/eyebolt output) - FREE USA SHIPPING
Store/Antenna Products/CUBE Impedance Transformers (<1:1, 1:1, >1:1)/50:200 ohm (4:1) Transformers
Product Details
MPN: CB-4-5000EB
Input ohms/Output ohms: 50 in, 200 out
Frequency Range < 2:1 SWR (MHz): 1-31
PEP Power Rating (watts): 5000

5000 Watt PEP Rated 4:1 CUBE Baluns™

Th CB-4-5000 balun feature dual core ferrites configured as a current balun with a weather resistant enclosure box. Input is via SO-239 coax connector and output can be top studs or side eye hooks (2) and top eye hook used as a halyard hoist for supporting your wire antenna. Rated 5000 Watts PEP Watts from 1.8-31 MHz. Enclosure is 4″ x 4″ x 4″. Multi-core technology is excellent for high duty cycle modes like RTTY, Digital, AM, etc at 5KW PEP.

It is recommended that a feed line choke to isolate the coax feed line from the antenna. A coax noise filter is also recommended.

Need a 4:1 and 1:1 HYBRID balun? Check out our CB-4-1-1500/5000 with feedline choke built into same box as impedance transformer for ease of installation!

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Typical Installations

 

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Ethernet Cable on F-240 Toroid – 7 turns

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Ethernet Cable on FSB-1/2 – 3 turns for 9X Impedance

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Ethernet Cable on FSB-1/4

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AC Cable on F-240 Toroid – 6 turns

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DSL Modem DC Power Supply on F114-43 Toroid – 5 Turns