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  1. Gunsmith

    MINELAB F1A4 ex military metal detectors - tips, settings, questions

    Just sent you an email, thanks auman sounds like some more tinkering in the future ?
  2. Gunsmith

    MINELAB F1A4 ex military metal detectors - tips, settings, questions

    So I did the L2 gain mod and the first pot and resistor set must have been faulty cause it went full ape sh#t when you adjusted the resistance up and down, second pot and resistors works a treat blanks out on a 0.13 nugg at it's maximum resistance or minimum gain still fairly stable but it's...
  3. Gunsmith

    MINELAB F1A4 ex military metal detectors - tips, settings, questions

    Awesome thanks for the info auman, do you have a place to contact you to mod a machine for me in the future?
  4. Gunsmith

    MINELAB F1A4 ex military metal detectors - tips, settings, questions

    Haha understood I remember seeing a photo on this post with a pot carrying two resistors to replace one on the board for a gain mod apparently what would that actually do if it was done? Thanks auman :Y:
  5. Gunsmith

    MINELAB F1A4 ex military metal detectors - tips, settings, questions

    Hi guys Where can I find a schematic drawing to do the gain and tone mods to my f1a4? I reckon I'll be able to do the mods myself just need to see where to add the bit's, thanks
  6. Gunsmith

    F1A4 mods help

    Where abouts did you get that information on adding the gain control? Interested in doing this mod to my own
  7. Gunsmith

    MINELAB F1A4 ex military metal detectors - tips, settings, questions

    I know it's an older post but is that level 3 mod machine still available?
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