Mod: EMG Covers for Passive Pickups

Discussion in 'The Sevenstring.org Workbench' started by loktide, Mar 11, 2010.

  1. Fzau

    Fzau Unleash the proggies

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    The shipping is 5 times the price of the cover :D
    Still manageable though!

    Now to get enough money to buy BKP :lol:
     
  2. philkilla

    philkilla Jesus Saves Contributor

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    Awesome. The DC35 should work great with my ran than. I used to have a EMG 81-7 in there which has been replaced by the outstanding M7 of course.

    I would love to fill the unsitely gap!
     
  3. Ironbird

    Ironbird Kahler Abuser

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    I did the exact same thing with a set of D Activators in my old Warlock (which I've since sold). The clean look is great!
     
  4. dpm

    dpm Oni Guitars Contributor

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    I don't mean to be a party pooper but these covers are a full 2mm thick on top so limit how close your polepieces can get to the strings by quite a lot. Realistically the closest you'll be able to get the actual pickup to the strings is 3mm (1/8"), which is about twice what is generally recommended for a humbucker.
     
  5. loktide

    loktide dotlike Contributor

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    you're absolutely correct. that's why i readjusted the pickup height to find the pickup's sweet spot by ear. luckily, there's still enough headroom between the pickup cover and the string
     
  6. JJ Rodriguez

    JJ Rodriguez Contributor

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    Only active humbuckers need to be that close. My passives are quite a bit further away from the strings than that.
     
  7. dpm

    dpm Oni Guitars Contributor

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    It depends on how far the magnetic field extends and what kind of tonal response you end up with. Closer will give a little more output and brightness, and generally sound a touch tighter and clearer and give a better signal to noise ratio. Some passive humbuckers with weaker magnetic fields will sound very weak 1/8" or more from the strings. If the pickup has a particularly strong field it can effect intonation being too close, but it's rare with humbuckers because the magnet is 'filtered' through the steel poles. BTW these measurements are based on outside strings fretted at the last fret, and the bass side is typically further from the strings than the treble side for string to string balance.

    Re. the active thing, the coils and magnet inside are pretty much the same as passives, it's the cover thickness you're compensating for in putting them closer.
     
  8. I_infect

    I_infect SS.org Regular

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    5) EMG Pickups have very little magnetism compared to high-impedance
    passive pickups. We recommend you adjust the pickups as close to
    the strings as possible. Sustain and string movement will not be
    inhibited by close adjustment.

    ^taken from EMG installation PDF
     
  9. dpm

    dpm Oni Guitars Contributor

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    That's a simplification. Yes, taken from the top of the outside of the EMG pickup cover there is less magnetism.... however, if you put a 2mm piece of plastic on top of a typical humbucker you'll find the magnetic pull effected in the same way, relative to the top surface.
     
  10. Sebastian

    Sebastian Poland CEO / RHLC ©

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    I agree with Sebastian :agreed:
     
  11. possumkiller

    possumkiller SS.org Regular

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    Very good idea. When I was a kid and wanted EMGs so bad and couldnt afford them I always bought those black plastic covers for my stock pickups. I actually sold a guitar to a GC for another hundred bucks because they thought they were EMGs in it lol.
     
  12. mikernaut

    mikernaut pixel pusher

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    This is great. I have a 7 string coming eventually that I want white pickups in and seeing BKP's don't do white 7 pups yet this would be a great solution.

    Was it tricky sawing off the bottoms. it seems like it would be. did you clamp them with something to hold them steady?
     
  13. loktide

    loktide dotlike Contributor

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    not at all. i actually clamped the cover between my knees while sawing the bottom :lol:

    the covers are made of fairly soft plastic, so it didn't require much effort to saw through them.
     
  14. philkilla

    philkilla Jesus Saves Contributor

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    Would this mod affect the tone of the pickups at all?
     
  15. loktide

    loktide dotlike Contributor

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    from page 1:

     
  16. philkilla

    philkilla Jesus Saves Contributor

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    Oh..cool
     
  17. philkilla

    philkilla Jesus Saves Contributor

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    Did the Ran today.
     

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  18. loktide

    loktide dotlike Contributor

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    cool :yesway:

    did you have to mod the covers, or did the pickup fit right in?
     
  19. philkilla

    philkilla Jesus Saves Contributor

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    I had to cut about 5mm off of the bottom too. I used a hacksaw which came out like shit...lol, than I used 60-grit sandpaper to even it out. Finding screws to make it work was the tricky part though.
     
  20. loktide

    loktide dotlike Contributor

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    really? i used the ones that came with the EMG808s

    i guess the mounting holes on the EMG35 covers are placed different than on passive pickups
     

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