Mfj-918 1:1 current balun 1.8-30MHz 50 ohms
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MFJ Enterprises

Mfj-918 1:1 current balun 1.8-30MHz 50 ohms

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£69.95
(£58.29 exc. VAT)
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Product code: MFJ-918
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£69.95
12 Months 14.9% APR
£6.99
£6.03
£79.33
£69.95
18 Months 14.9% APR
£6.99
£4.02
£79.33
£69.95
24 Months 14.9% APR
£6.99
£3.01
£79.33
£69.95
36 Months 14.9% APR
£6.99
£2.01
£79.33
£69.95
48 Months 14.9% APR
£6.99
£1.51
£79.33
£69.95
12 Months 19.5% APR
£6.99
£6.27
£82.22
£69.95
18 Months 19.5% APR
£6.99
£4.18
£82.22
£69.95
24 Months 19.5% APR
£6.99
£3.13
£82.22
£69.95
36 Months 19.5% APR
£6.99
£2.09
£82.22
£69.95
48 Months 19.5% APR
£6.99
£1.57
£82.22

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Mfj-918 1:1 current balun 1.8-30MHz 50 ohms

Mfj-918 1:1 current balun 1.8-30MHz 50 ohms


The MFJ-918 1:1 Current Balun is specifically designed to replace the centre insulator of a dipole antenna. It consists of 50 Ferrite Core Beads strung on a 13-inch piece of RG-303 Coax, operating effectively within the 1.8 to 30 MHz frequency range. Using Teflon(R) in the coax and SO-239 connectors ensures optimal insulation and durability. Encased in schedule 40 PVC pipe, the MFJ-918 offers robust protection and strength.

What sets the MFJ-918 apart is its direct electrical connection to the antenna using #14 copper wire, unlike other baluns. This Current Balun effectively reduces or eliminates stray RF that can often interfere with electronic equipment in ham shacks and vehicles. Stray RF not only poses safety risks like burns but also leads to a loss of radiated power from the antenna, significantly reducing signal strength.

In conclusion, the MFJ-918 Current Balun is a reliable solution to combat stray RF issues commonly encountered with coaxial cables. Its innovative design and use of high-quality materials like Teflon(R) and copper wire make it a valuable addition to any antenna system, ensuring maximum efficiency and signal strength while protecting electronic equipment from potential damage.

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