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Help identifying a possible Gibson P-90

Discussion in 'Just Pickups' started by theprofessor, Nov 12, 2019.

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  1. theprofessor

    theprofessor Poster Extraordinaire

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    Hi all -

    I recently got this P-90 in a trade and was told it was a Gibson neck pickup. It's a two-conductor and measures 8k DCR. Can anyone confirm that this is indeed a Gibson and, if so, tell me how I can find out more about it? Thanks!

    IMG_1730.JPG IMG_1731.JPG IMG_1732.JPG IMG_1733.JPG IMG_1734.JPG
     
  2. Fretting out

    Fretting out Poster Extraordinaire

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    I can’t help you but I see a current p90 trend
    I can’t say that I’m not interested in indulging in this myself
     
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  3. jonnyfez

    jonnyfez Tele-Afflicted Silver Supporter

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    Sure looks like a P90 to me. Apparently, there isn't a neck or bridge distinction - they are both the same pickup. 8k sounds right too.
     
  4. Dacious

    Dacious Poster Extraordinaire

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    That sounds and looks about right for a P90 neck. Should be two magnets in the base set to repel each other.
     
    Last edited: Nov 12, 2019
  5. theprofessor

    theprofessor Poster Extraordinaire

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    Thank you. Neither of the magnets is marked, but my compass seems to be telling me that they're opposite in polarity. I've also just noticed that two of the adjustable poles at one far end seem not to be threaded into the pickup, meaning that they cannot be height-adjusted once the pickup is mounted. All the other pole pieces adjust just fine.

    Are Gibsons not marked in any particular way or made with any particular "signature"?
     
  6. Dacious

    Dacious Poster Extraordinaire

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    Old ones, no. Sometimes they had a sticker on them. But more into 70s I think. The bars should be alnico. Hard to tell but the braided lead is right. Plus if it's neck the lead would be a bit longer.
     
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  7. PCollen

    PCollen Friend of Leo's

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  8. Zepfan

    Zepfan Doctor of Teleocity Gold Supporter

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    I was thinking that Gibson used steel base plates, at least til the 80's or 90's. They probably use brass now like everybody else.
    Should be some marking on there identifying it as a Gibson unless they use stickers and it fell off/was removed.
     
  9. Zepfan

    Zepfan Doctor of Teleocity Gold Supporter

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    [​IMG]old Gibson
    [​IMG]newer Gibson
     
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  10. Zepfan

    Zepfan Doctor of Teleocity Gold Supporter

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    [​IMG]This one has a date stamped, but none of the others had the company name on them.
     
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  11. JayFreddy

    JayFreddy Poster Extraordinaire

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    Nope. I purchased a couple of Gibson P90s, factory sealed, new in the box.

    No Gibson marking or sticker on them.

    This one looks legit. The braided wire is the give away.

    Most cheaper P90s will use plastic wire insulation.

    Even if that's not a Gibson P90, it looks like a good quality pickup.

    I suspect that it is what the seller told you it is.
     
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  12. Obsessed

    Obsessed Telefied Silver Supporter

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    :)
     
  13. Uncle Daddy

    Uncle Daddy Tele-Afflicted

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    The Gibson P90 isn't an expensive 'boteek' pickup. It's such a simple design but it sounds great. Even cheap 20 buck replicas can be great, with the correct wire and magnets, around 8k with 43 awg and a5 mags; a recipe for tonal bliss.
     
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  14. Zepfan

    Zepfan Doctor of Teleocity Gold Supporter

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    I bought 2 Chinese P90's off Amazon with braided wire, that tells us maybe Gibson made it. Old one had steel baseplate, newer ones have Brass. Whether they are supposed to have a sticker or date stamp, IDK for sure, but Gibson should have some sign it's theirs.
     
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  15. Zepfan

    Zepfan Doctor of Teleocity Gold Supporter

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    Looking at the pics I posted, the steel and the brass had 2 dimples pressed in them, but the pic with date doesn't have those dimples. Did the pickup you bought have those dimples in the baseplate?
     
  16. rob2

    rob2 Tele-Holic

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    Is there a slight "V" curve to the bottom of the plate?...most likely Gibson....any non-boutique versions tend to be flat.....
     
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  17. Zepfan

    Zepfan Doctor of Teleocity Gold Supporter

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    One thing about P90's is that they are a design that's hard to screw up. Even the ceramic magnet types are good.
     
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  18. Zepfan

    Zepfan Doctor of Teleocity Gold Supporter

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    Are you talking about the edges being bent over at 90 degrees or more? I noticed the OP's pics don't have a bent edge.
     
  19. rob2

    rob2 Tele-Holic

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    no,mine have a subtle V on the bases,don't remember what the edges were like.....though I know what you're referring to,again the more generic ones don't have it...this bend...should be visible here,I believe these are fairly recent Gibson...
     
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  20. schmee

    schmee Doctor of Teleocity

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    The dogear Gibsons are different than the soapbars. keep that in mind.
    Modern Soapbars have a brass baseplate, notched corners on the brass baseplate. Should read 7.9k ohms to 8.1k ohms.

    I sold some Gibson Switchmaster (3 x P90) pickups several years ago. For those guitars and many old Gibsons the resistance was much different, neck to bridge etc. Some down in the 6k ohms etc.
    The newer Soapbars ( 20 years?) do not have a base plate that is curled up on the edges , but just flat brass. Not sure about any old ones.
    The Dog Ears do have those curled up plate edges.
    I'm not sure I have seen those dimples in probably 8-10 Gibson P90's. But memeory doesn't serve well sometimes! I have a couple baseplates out there will check later today....
     
    Last edited: Nov 13, 2019
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