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
  • peterfram

    > 24 hour

    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.

  • Gary

    > 24 hour

    Prefect replacement for a previous balun! Working great!!!

  • JB

    > 24 hour

    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.

  • Steve

    > 24 hour

    Ok

  • Tommy Poole

    > 24 hour

    Great company great product

  • GrumpyDad

    > 24 hour

    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.

  • Yuri Botnar

    > 24 hour

    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.

  • Dr. Koby Toy IV

    > 24 hour

    Nice product

  • Dorothy

    > 24 hour

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

  • theosus

    > 24 hour

    Used this to build an OCF dipole. 90 feet one way and 45 feet the other way. Hooked to my tuner, I can tune 10 meters to 80 meters with no problems. Works fine on 100 watts SSB. Farthest Ive talked is Russia - 8000 miles away.

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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