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
  • Tommy Poole

    > 3 day

    Great company great product

  • Rod Smith

    07-06-2025

    I have used several MFJ items and they are all quality items.

  • Duane A. Meadows

    Greater than one week

    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!

  • MattS

    > 3 day

    This MFJ-913 works great on my 80,40,20 OCF but only up to 40 meters. The swr is great at 80 and 40, just a touch of tuning is needed at 20. But now my feed line is radiating on 80 meters after only a week of having it up and is causing rfi in the house. Im only running up to 100 watts. Probably just a quality issue im guessing.

  • acwiz

    > 3 day

    As advertised.

  • HD-RIDER

    > 3 day

    This will be used on a future antenna build.

  • Dorothy

    > 3 day

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

  • Dad

    > 3 day

    Works well thx

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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