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Thread: Luke III push-pull booster

  1. #1

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    Luke III push-pull booster

    Hello again, greetings from Spain.
    I have a problem with the push-pull of the booster in Luke III, and it is very hard. When you press it it goes up very slowly, and to deactivate it you have to squeeze a lot. Do you think it is normal? It may be thought that way to prevent it from being activated by mistake.
    Thank you for your answers.

  2. #2

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    Sounds like that pot could be defective. The Luke's I've had use a push-push boost so I don't know if thats a spec that changed or just a typo but the push-push pots have always responded almost instantly and always easily.

    I should add, it is likely worth contacting customer service about possibly obtaining a replacement pot/troubleshooting etc..

  3. #3

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    Try adjusting the height of the knob on the shaft.
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  4. #4
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    Daniel is offline Ernie Ball, Inc. Ernie Ball Customer Service

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    Quote Originally Posted by Carteyano View Post
    Hello again, greetings from Spain.
    I have a problem with the push-pull of the booster in Luke III, and it is very hard. When you press it it goes up very slowly, and to deactivate it you have to squeeze a lot. Do you think it is normal? It may be thought that way to prevent it from being activated by mistake.
    Thank you for your answers.
    Shoot me an email at customerexperience@ernieball.com with your guitar's serial number and I'll help you find the part you need.

  5. #5

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    It should be a "Push Push" type of actuation, not a push pull. So you push it down, and it pops up, and then you push it in again and it latches down. Like an amplifier footswitch. If it's not working like that, it may need some light lubrication on the shaft of the potentiometer.
    2007 Stingray 5 HS Cherry Burst / Maple FB / 3 Band EQ / Ceramic Pickups
    2012 Stingray 5 H Pearl Blue / Rosewood FB / 3 Band EQ/ AlNiCo Pickup
    2012 Steve Morse Morse Blueburst / Rosewood FB
    2012 Luke III SSH Vintage Sunburst / Rosewood Neck

  6. #6

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    Quote Originally Posted by Daniel View Post
    Shoot me an email at customerexperience@ernieball.com with your guitar's serial number and I'll help you find the part you need.
    Thank you, but I don't want a replacement, I want a possible solution. That something like this happens to a guitar with little more than 10 years and very little use, and more assuming that the components are of good quality, does not give a good impression.

  7. #7

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    1) It should be a push-push, not a push-pull. You have not verified this, it may not be the original part and may have nothing to do with the quality of the parts EBMM use.
    2) Quality part or not, 10 years is a long time, with or without use.
    3) Customer Service responded and offered you help and you reply like that? And you failed to respond or acknowledge any reply to your original post? Not cool.
    Silhouette Special (2005 Buttercream Limited Edition)
    Cutlass HSS (2018 Roasted Special, Ivory White)

    Forum Rules and Useful MM Guitar Info

    Required reading - Forum Decorum

    Ernie Ball Customer Service
    Music Man Customer Service


    An Irishman in Paris, guitar teacher and tech, folder of underpants, stubber of toes.

  8. #8

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    I'm sorry, I didn't mean to be rude.

  9. #9

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    If it hasn't been used much, the lubrication may have dried up. Do you know what kind of conditions it was stored in? The components are all top quality, but even the best quality components eventually need replacement.
    2007 Stingray 5 HS Cherry Burst / Maple FB / 3 Band EQ / Ceramic Pickups
    2012 Stingray 5 H Pearl Blue / Rosewood FB / 3 Band EQ/ AlNiCo Pickup
    2012 Steve Morse Morse Blueburst / Rosewood FB
    2012 Luke III SSH Vintage Sunburst / Rosewood Neck

  10. #10
    Daniel's Avatar
    Daniel is offline Ernie Ball, Inc. Ernie Ball Customer Service

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    Quote Originally Posted by Carteyano View Post
    Thank you, but I don't want a replacement, I want a possible solution. That something like this happens to a guitar with little more than 10 years and very little use, and more assuming that the components are of good quality, does not give a good impression.
    More than likely the lubrication inside the potentiometer has dried up from non-use. This can happen on any potentiometer. It happened on my old stereo receiver. You can try cleaning it out with some Deoxit electronics cleaner or you can replace the potentiometer. If you need help with the potentiometer replacement, I can get you the parts you need or direct you to our partners in Spain to help you out. Feel free to email me at customerexperience@ernieball.com if you have any questions. I'm going to close this thread now.

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