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
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Reviews
  • TCB

    > 3 day

    A very good 4:1 balun to match my 300 ohm balanced line feed.

  • senior_geek_cs_grad

    > 3 day

    I cant really review this product since its sitting in my electronics junk box (term used for parts bin in amateur radio). I will eventually use with some antenna building project and after several months usage give and updated report.

  • Harold F. Pfannenschmid

    > 3 day

    Good product, good ship time. Thank you

  • BookBuilder

    > 3 day

    Excellent Balun - used for quick Field Day installation - worked perfectly . MFJ quality has become very good.

  • IT Guru

    Greater than one week

    Yes its not 1kw but for a 100w radio it works perfectly fine and being so lightweight it didnt drag my OCF down since i have no way to support from the feed point, only pulled tight from the ends. So for my needs it was perfect.

  • Steve

    > 3 day

    Ok

  • Dorothy

    01-11-2024

    MFJ makes a good Balun. I used mine for a homemade Off Center fed. Does the job

  • Duane A. Meadows

    > 3 day

    When the balun arrived, it rattled inside. Disassembly showed that 2 nuts and a washer were floating loose inside. Actually trying to use this balun could have been disastrous. I will repair it just because as an electronic tech, thats what I do, and I enjoy the challenge. Basically, for most folks... buyer beware!

  • JBB

    31-10-2024

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

  • JB

    Greater than one week

    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.

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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