DIY: P-90 pickups for an Ibanez RG8

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Thread: DIY: P-90 pickups for an Ibanez RG8

  1. #1

    Join Date: Oct 2008
    Location: Seekaaahhhk, MA
    ME: Bugsy
    MA: Cane
    Rig: Bias

    iTrader: 2 (100%)

    DIY: P-90 pickups for an Ibanez RG8

    This was going to be a story about re-winding the factory RG8 pickups, but, as I quickly discovered, they are cast in an epoxy resin.

    Then I remembered reading about Wolfetones’s new P-90 pickups that fit humbucker cavities and I wondered why that was significant. Thus followed some research on P-90 pickups and it seems people dig ‘em for their clarity. The factory setup had a very muddy low end, so, I figured, maybe some P-90’s would clean it up its bottom end. Having never made a P-90 before, it would be another experiment for me, and thus, another pic-story for the forum!

    Parts were ordered from Mojotone, and I drew the bobbin flatwork, base and cores.

    Bobbin cores were traditionally maple…

    Bobbin core blank is trued up to be flat and square…

    The marking gauge is used to score a line down the center of the blank to keep the divider points aligned.

    Holes were drilled using the drill press and the ends were rounded using files and sand paper.

    The bobbin flatwork and base were double-stick-taped together and holes were drilled on the drill press…

    For some reason I thought the poles were recessed, so I beveled the edges of the holes in the top plate.

    The cores were glued to the flatwork, and 8,000 winds later…

    …crap…there is supposed to be 10,000 winds, but they will end up being way beyond the flatwork. So, I had to re-make everything with longer flatwork. Grrr….

    10,000 winds, lead wires attached, keeper bar and screws in place…

    …into the wax bath!

    Lookin’ pretty nice actually…

    Electrical tape followed by aluminum foil tape with a copper foil tape tab to shield the core…

    Wrapped with cloth tape to help protect it all and make it look nice…

    Copper foil tape on the base plate for shielding, and the magnets are placed…

    A simple compass is used to determine polarity of the magnets. One of the pickups was reverse wound and will have the magnet polarity reversed so when both pickups are active they will behave as humbuckers.

    All assembled…

    A check of the control cavities revealed the conductive paint had no continuity, and there was nothing at the jack…

    Thus, copper foil tape…

    Finally, installed!

    I only had time for a little playing, but I like ‘em! There is clarity in the bottom end but no harshness in the top end. Roll off the volume and they clean up quite well too. Overall, I’d call it a successful experiment!

    Thanks for reading!

  2. #2

    Join Date: Sep 2013
    Location: Just outside Boston
    ME: Jackson DXMG
    MA: ibanez
    Rig: Jam Up/Bias

    iTrader: 1 (100%)

    Nice rob. Love to hear em.

    Lmk when you want that thing scalloped lol

  3. #3

    Join Date: Sep 2008
    Location: Lake District, UK
    ME: RGD2127z/Apex 100
    Rig: Diezel Hagen/Zilla's

    iTrader: 11 (100%)

    Nice one!


  4. #4

    Join Date: Jan 2013
    Location: Edmonton
    ME: Kramer Proaxe
    MB: Ibanez SR605
    Rig: Mark V/5153

    iTrader: 9 (100%)

    It's been to long Rob your threads make me happy. Awesome job man I got a set of Humbucker size P90's in the mail from I'm vintage vibe, can't wait to try them.
    Learn to be quick anyone can be slow

    Do you look at the toilet paper after you wipe?

  5. #5

    Join Date: Sep 2008
    Location: Somerville, Ma
    ME: Suhr Modern 7
    MA: Martin MC16-GTE
    MB: Dingwall Afterburner 5
    Rig: Mesa Roadster, Recto 4x12

    iTrader: 5 (100%)

    How is this not a thread about Leon buying an 8?
    "They can kill you, but the legalities of eating you are a bit dicier." - David Foster Wallace

  6. #6

    Join Date: Jun 2006
    Location: Earth
    ME: 02 NAMM Jackson RR
    MA: Takamine 12
    MB: Spector Euro 5
    Rig: SLO|Road King|Überschall

    iTrader: 10 (100%)


  7. #7

    Join Date: Sep 2008
    Location: Soviet Canuckistan
    ME: Decibel Javelin
    MA: Ibanez AJ307CE
    MB: Fretless Precision mutt
    Rig: Mesa F-30

    iTrader: 3 (100%)

    Very cool!

  8. #8

    Join Date: Sep 2008
    Location: The B.L., WA.
    ME: Buckethead Les Paul
    MA: Washburn
    Rig: Titan Custom

    iTrader: 21 (100%)

    Very cool!

    Quote Originally Posted by Drew View Post
    How is this not a thread about Leon buying an 8?

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