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
  • Randy

    > 3 day

    Couldnt figure out why my OCF 80 meter dipole wasnt working. So I decided to change the balun, cant figure out why I had to, the old one was only 25+ years old. ( think I can get a refund?.....HI HI!) I put the mfj-913 in line....WOW! No tuner required for 80, 40 or 20 meters...Can now tune 160 through 10 meters!

  • Steve

    > 3 day

    Ok

  • GrumpyDad

    Greater than one week

    I own 2 of these. One is the feed point for a 4 band fan dipole. The other feeds a an end fed Zepp style wire antenna like this: https://images.duckduckgo.com/iu/?u=http%3A%2F%2Fve3clq.files.wordpress.com%2F2011%2F01%2Fw3edpverticalmodel2.jpg&f=1 I could not build a current balun for much less money than these cost shipped.

  • Jeremiah

    > 3 day

    Good quality.A light but strong balun for home use or field day.

  • Harold F. Pfannenschmid

    > 3 day

    Good product, good ship time. Thank you

  • JBB

    > 3 day

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

  • Dorothy

    > 3 day

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

  • 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.

  • 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.

  • Richard Neel

    > 3 day

    I purchased this for an off center fed dipole project. This is a new antenna type for me so there was lots of experimentation, climbing ladders, changing leg lengths, etc. - all the normal new antenna stuff. Today, while doing soME more experimentation, one of the leads has become completely disconnected internally. My antenna legs were always connected to the eye bolts on each side so there was never any direct strain placed on the leads. Id have expected there to be some sort of internal strain relief so that this couldnt happen. Completely worthless to me now. Dont have the packaging so dont think Amazon will take it for return. EDIT: Contacted MFJ directly and they are replacing the balun. So, good review for customer service from them but Im leaving 2 stars because the balun did break after only about 2 weeks of use.

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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