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Thread: FERRITE COIL FILTERS do they work

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  1. #1
    Oct 2016
    Canadian Eh
    Current:T2, Compadre, Vaquero, and 300i. Past:Whites 4000 D Series 3, Radio Shack 3001 Micronta
    276 times
    Metal Detecting

    FERRITE COIL FILTERS do they work

    I have seen these on ebay and wondering has anyone used any of these on their metal detectors.

    States that it would be a low cost way to reduce EMI & RFI electronic interference noise into your metal detector from external elements.
    I states it allows you run higher gain/sensitivity on most detectors..?? while reducing noise or chatter associated with running high gain settings.

    Is this true?

  2. #2
    Jun 2006
    Out in the hills near wherendaheckarwe
    WHITES, MINELAB, Garrett
    2047 times
    All Types Of Treasure Hunting
    Possibility! If you're having interference problems, try spraying your coil with a little "Static Guard". Yeah, sounds kinda corny but was having issues with an older detector swinging through a field of dry grass that had been cut. Someone suggested it was static from the grass. Said what the heck tried it & it appeared to work on two different machines. Like I said, it sounds corney but they can't shoot you for trying. Another tip, if you have a skid cover on your coil, pull it off clean inside with a damp rag. Put the cover back on and seal the crack with a tidy little bead of silicone sealant. Guess that powdery dust can interfere or pick up a charge. Let us know if it helps!
    DeepseekerADS likes this.
    I know it's here, just need a bigger coil!

    I think I know what my last words will be....
    "Hold my beer and watch this!"

  3. #3
    Charter Member
    Make America Great Again!

    May 2010
    White Plains, New York
    Minelab GPZ 7000; Equinox 600 -- Tesoro Mojave -- Makro Multi Kruzer -- Notka Pinpointer -- Grave Digger Tools Nemesis shovel, Sidekick hand digger
    17893 times
    Metal Detecting
    Worthless! Total scam.

  4. #4
    Charter Member
    Aug 2006
    Suwanee, Georgia
    Minelab CTX 3030, Minelab Explorer II , Fisher F75 LTD
    71 times
    If they are worthless, why does Minelab use them on all of their CTX3030 coils?

    Why add cost or un-needed parts to the coils?
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by Jeff In North Georgia; Apr 25, 2017 at 06:09 AM.

  5. #5
    Aug 2011
    ctx 3030 nokta impact Equinox 800
    753 times
    Here is the thing. Ferrite cores are effective for certain frequencies. If you dont get the right one, it won't work. I was just recently looking into something like this and I needed more experimentation.
    Aces High 333 likes this.

  6. #6
    Charter Member

    Dec 2015
    Ann Arbor
    AT PRO Nel Attack Coil
    6672 times
    All Types Of Treasure Hunting
    Honorable Mentions (2)
    SD51 likes this.
    This is an addiction!!! There is no cure!!! And it only gets worse!!!!! KEEP PLUGGIN AWAY!!!!!!!!!!



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