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Thread: 6” coil question?

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  1. #1

    Feb 2019
    Carson City NV
    Equinox 800, AT Pro
    138
    438 times
    All Types Of Treasure Hunting

    6” coil question?

    I had tough hunting conditions today. Lots of iron and lots of EMI. I was using the stock coil. I could slowly move the stock coil an inch and go from iron grunt to high tone. In lots of areas I couldn’t get my coil off iron. Constant low tone.

    I think the 6” coil will squeak out some coins in the iron.

    Is the 6” coil less susceptible to EMI?

  2. #2

    Feb 2017
    Pa
    EQ 800 & 600, Fisher F75 +, Tesoro Tejon, Tesoro Conquistador, Bounty hunter Tracker iv
    2,403
    3721 times
    Metal Detecting
    General rule of thumb is smaller coils tend to be less affected by EMI. I don't know what Sens. you're running but try backing it off some. I recently got on a yard permission with terrible EMI and trash conditions. Ended up having to dial back the gain to 14! Found 3 mercs and a silver pendant shorty after at a solid 6".
    CarsonChris and Bodkin like this.

  3. #3
    Charter Member
    us
    I'm a greater believer in luck, and I find the harder I work the more I have of it” ― Thomas Jefferson

    Apr 2016
    Abita Springs La....Born in New Orleans
    EQUINOX 800
    10,575
    22091 times
    Metal Detecting

    6” coil question?

    Yes but back off to 20-21 on the 800. My 6” helps the 800 in iron which isn’t it’s strong point.
    Last edited by Truth1253; Mar 22, 2019 at 11:58 PM.

  4. #4

    Feb 2019
    Carson City NV
    Equinox 800, AT Pro
    138
    438 times
    All Types Of Treasure Hunting
    Quote Originally Posted by Truth1253 View Post
    Yes, but what machine are you using?
    Nox 800. Was running 15-16 on sensitivity. Anything more and the EMI would take over. It would also get EMI every time I lifted the coil. Had to constantly lift the coil to get through thick weeds. Sweep speed 6.

  5. #5

    Feb 2017
    Pa
    EQ 800 & 600, Fisher F75 +, Tesoro Tejon, Tesoro Conquistador, Bounty hunter Tracker iv
    2,403
    3721 times
    Metal Detecting
    Could also try a higher single frequency.
    CarsonChris likes this.

  6. #6
    us
    Oct 2018
    NE Ohio
    Minelab Equinox 600 Garrett AT Max Bounty Hunter Land Ranger Pro Bounty Hunter Tracker Pro
    176
    891 times
    All Types Of Treasure Hunting
    Had my 6” coil on the 600 at a local park that houses a cell phone tower. There was nothing I could do to get rid of the EMI, and I tried everything...lower sensitivity, single frequency, ground balance manually...nothing would work. So I put in the 11” coil and had the same problem.

    Aside from that park, I have had ZERO EMI issues with the 6” coil.

 

 

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