MFJ Enterprises Original MFJ-913 Balun 4:1 Current 300 Watts

(1238 Reviews)

Price
$65.00

Quantity
(10000 available )

Total Price
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38 Ratings
29
2
2
3
2
Reviews
  • Hester Swaniawski III

    > 3 day

    MFJ is good quality.Worked good on ocf antenna.

  • JB

    > 3 day

    Matching 450 ohm ladder line into a short length of coax for use with an auto tuner. Works great with a 160 meter dipole. Should have done this years ago.

  • Doc

    > 3 day

    I would buy again.

  • Dad

    Greater than one week

    Works well thx

  • Harold F. Pfannenschmid

    > 3 day

    Good product, good ship time. Thank you

  • acwiz

    > 3 day

    As advertised.

  • peterfram

    > 3 day

    The UHF output was misaligned and fixing that isnt easy as you cant remove screws or take this thing apart in any reasonable way. However, performance of this balun is pretty good with multiple wire HF configurations.

  • Jeff S Skelton

    12-06-2025

    Cheap enough and works.

  • Yuri Botnar

    14-06-2025

    Simple device, works great, with a manual control antenna tuner I am able to get SWR in a range from 80 to 17 m with a 40 m wire dipole antenna in the attic.

  • JBB

    > 3 day

    Excellent product fast delivery, using on off center fed 40m dipole. Excellent swr in all expected bands

The MFJ-913 is a 300 Watt true current baluns/antenna center insulators that transforms 200 ohms to 50 ohms. Transmission Line Transformer construction using 100 ohm characteristic impedance transmission line gives flat 160-10 Meter response. Large low permeability ferrite cores easily handle full power. SO-239, stainless steel hardware with direct 14 gauge stranded copper wire connection to antenna. Heavy duty weather housing. Measures 4¼ x 2 inch diameter.

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