A great and simple tuner!

Discussion in 'Amateur Radio News' started by WJ6F, Jun 17, 2020.

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  1. WJ6F

    WJ6F Ham Member QRZ Page

    The MFJ-994B IntelliTuner is rated at 600 watts PEP SSB, 600 watts CW, and 500 watts continuous carrier modes. In this video I will also show how to reset its original factory settings. It will generally tune in about 5 seconds.

    K0UO and W8IXI like this.
  2. AA1PR

    AA1PR Ham Member QRZ Page

    maybe in some ways

    Ive been a loyal customer to LDG since their tuners cover 6M

    Ive had too many issues with MFJ over the years, products arriving damaged inside a perfectly fine outer box

    good luck with that
    KC2YSO, WJ6F and W6ERM like this.
  3. AA7VA

    AA7VA Ham Member QRZ Page

    Good overall video - thanks.
    I have one for my station, and am very well pleased with it. It replaced my MFJ-939 when I got an old Heathkit SB-200 amp, and it handles its output very well (about 600 watts max, usually run around 300-350 SSB or 100-150 digital). I find that a first tune for a new frequency takes the 5 or so seconds (or less) as you stated, but when it goes to a frequency that it already has a memory for, it is almost immediate in tuning. Far faster than friends LDG tuners, and far more memories, and wider tuning range, which is required for my 80m OCF, which it will also tune on 6 meters!
    I use it on both my Yaesu and on my old Heathkit HW101 - same results. Nice with the old valve rig because first you need to manually tuneup the rig into the dummy load, then manually tune up the amp, and with the MFJ-994 you don't need to manually tune the antenna match. The one gripe I have is that the meter is too hard to really see, so I have a much larger one without the double needles to make it easier to read, the MFJ-870.
    I have had great "luck" with MFJ products, and think some people just like to gripe no matter what. Reading the instructions seems to be no-no with them, as it seems so many gripes are because they did not do things the right way.
    K9AAV, WJ6F and W8IXI like this.
  4. K9GLS

    K9GLS Ham Member QRZ Page

    If that's how you go to sleep at night then so be it. I don't think MFJ got the Mostly F*** Junk award with no merit of their own. 150 watts digital? Dude you're doing it wrong. Maybe YOU need to read the instructions. ;)
    WJ6F likes this.
  5. W8IXI

    W8IXI Platinum Subscriber Platinum Subscriber QRZ Page

    If you are stuck years ago, you might think MFJ is "junk".

    I have used their auto tuners, artificial grounds, chokes, etc. with no problems I did not cause myself.

    In fact I could not be on HF without their products. The auto tuner which I cratered due to my own negligence was fixed out of warranty for the standard one hour charge plus $1.58 for parts. I could not have purchased the parts that cheaply when first a ham fifty years ago.

    Who has had a problem with MFJ quality recently, and what was it?
    NA4RA, AA7VA and WJ6F like this.
  6. KL7IXW

    KL7IXW Platinum Subscriber Platinum Subscriber QRZ Page

    I've used MFJ products - including the 993B autotuner - for years. I have been impressed. Never a problem. Oh yeah ... I also never read the instructions as I like living on the edge. Call me crazy.
    K3MRK, W8IXI, WJ6F and 1 other person like this.


    Good overall video thanks.
  8. KG5IGO

    KG5IGO Ham Member QRZ Page

    i have 2 mfj-939s. work great. love em. 4 various power supplies. wattmeter. i'm sure some other stuff.

    I bought a manual tuner a couple years ago, not sure the exact model. Purchased at HRO in Plano. got it home, and one of the knobs wouldn't turn all the way.
    opened it up, and the capacitor plates were hitting the pc board next to it.
    Ok, found it right here, MFJ-945E. Transmitter knob.

    Seriously, all someone had to do was turn the knob...

    In general I've been happy with MFJ. but yeah, every so often someone flat out is sleeping on the job.
    NA4RA likes this.
  9. K1WCC

    K1WCC Ham Member QRZ Page

    I've used MFJ gear for a long time and have had a few problems, but in all problem cases they were fixed rather promptly and inexpensively. I have had an MFJ-259B analyzer for at least 20 years-the only thing that has ever gone wrong with it is the selector switch, and that was fixed quickly and for a reasonable cost. That analyzer has been used outside, gotten wet, been dropped, isn't pretty anymore but still works just fine. Also have an MFJ-815D wattmeter. It ain't a Palstar but works just fine. MFJ provides things that are useful and generally agreeable for the average amateur. I'm glad they do!
    K3MRK, NA4RA and KC9YGN like this.
  10. N4CYF

    N4CYF XML Subscriber QRZ Page


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