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Buddy says to me Hey Let's build a Bass

Discussion in 'Luthier's Corner' started by Col E Loc, Nov 29, 2017.


  1. Col E Loc

    Col E Loc Supporting Member

    Nov 8, 2009
    Brooklyn, NYC
    Hola TB!

    I'm here to make a bass. I've been on here for years and always appreciated the work of other builders on here.

    I've been collecting parts for a while and I think it's finally time to get this thing started.

    A couple years ago my buddy (who built me one incredible Bass once before) says he found some cache from some 100 year old Cello maker's estate sale. And as soon as he had a chance he was going to build another Bass with one of these amazing wood sets. He told me to start collecting components and when the time was right we would Strike.

    Here's what I'm thinking; a body like a Jazz Bass, but with a singlecut upper horn, Slim Neck, Dtuner, a reverse P Bridge pickup and a humbucker stacked right behind it.

    I'll start to post pictures soon. Looking forward to getting some input.
     
    jtoastercamp and RBS_Johnson like this.
  2. Col E Loc

    Col E Loc Supporting Member

    Nov 8, 2009
    Brooklyn, NYC
    Last edited: Nov 29, 2017
    RBS_Johnson likes this.
  3. Gilmourisgod

    Gilmourisgod

    Jun 23, 2014
    Cape Cod MA
    Good start! I like Warmouth necks, I've had one on a fretless Jazz for thirty years, never a lick of problems with it. Don't know about the pickup though, is that a "mudbucker" of sorts? I always loved SG/Epiphone style basses, but couldn't get on with mudbuckers. We are wood geeks, please post the cello wood sets for our Wood Porn needs.
     
    Col E Loc and dukeorock like this.
  4. Col E Loc

    Col E Loc Supporting Member

    Nov 8, 2009
    Brooklyn, NYC
    This is something of a Bi-Coastal Project, I'll get you the picture of the wood once I get it.
     
    jtoastercamp likes this.
  5. Col E Loc

    Col E Loc Supporting Member

    Nov 8, 2009
    Brooklyn, NYC
    jtoastercamp likes this.
  6. jtoastercamp

    jtoastercamp

    Feb 14, 2014
    yo whats up ?? looking forward to building the next stittleman special
     
    Col E Loc likes this.
  7. Col E Loc

    Col E Loc Supporting Member

    Nov 8, 2009
    Brooklyn, NYC
    Jeff! Post some pictures of that maple!
     
  8. Col E Loc

    Col E Loc Supporting Member

    Nov 8, 2009
    Brooklyn, NYC
    IMG_2573.JPG IMG_2598.JPG


    The Wood of Choice. Ready to become bass 2. Also a pic of Bass 1 By Jeff.

    I realized the thing I love about this bass is how far up the neck the upper straplock so the bass sits comfortably. It's somewhere between the 9th and 10th fret. I always thought it was supposed to line up with the 12th fret.
     
  9. Gilmourisgod

    Gilmourisgod

    Jun 23, 2014
    Cape Cod MA
    It’s a ballpark alignment anyway, most basses Balance well with the straplock at the 12th fret, but that depends on weight of body, bridge, tuners, etc, all hard to predict until you assemble the bass. You could do a plywood mock-up as a decent test bed beforehand. I’ve done that and ended up tweaking the design to balance better.
     
    Col E Loc likes this.
  10. Col E Loc

    Col E Loc Supporting Member

    Nov 8, 2009
    Brooklyn, NYC
    IMG_2566.JPG

    This is the basic idea for the body. Jeff's got a way cooler looking lower horn on some of the mock ups he's done.

    Interesting. So if we're aiming to makes the bass thin, the balance would be offset by the weight.
     
    Gilmourisgod likes this.
  11. Gilmourisgod

    Gilmourisgod

    Jun 23, 2014
    Cape Cod MA
    I tried to research methods for predicting where the center of gravity for a bass is located and stumbled into some serious Math Content. They lost me at “centroids”. Plywood isn’t a perfect analog for the actual body wood, but it’s close, and allows you to practice stuff like neck pocket routing and body contouring in a consequence free way. I used 2 layers of 3/4” plywood bought as 2’x4’ panels at Home Depot. I wouldn’t bother on a well known design, but it’s great for prototypes. Saved me ruining some very nice mahogany.
     
  12. Nice. Interesting pickup choice on bass 1. How’s it sound?
     
  13. Col E Loc

    Col E Loc Supporting Member

    Nov 8, 2009
    Brooklyn, NYC
    It's pretty thick sounding. I've always been curious what it would sound like with frets, but it's my favorite playing fretless. There's basically 5 tones it can do, neck pickup get a heavy, but quick tone. My favorite tone has some Bridge pickup blended in for pretty clean highs. The Bridge with a little neck pickup blended in gets you the loudest, almost Rock sounds. To me, Just the Bridge does a good enough fretless Stingray tone.

    They were pickups off an old JS2 from the 70s, I think. And I recorded a Demo from my band with it, I'll see if I can find it.
     
  14. Yeah, I figured they were old Guild pickups. The one set I had on the accompanying Guild bass sounded good.
     
  15. Ah yes, centroids. It's actually easier to "predict" the center of mass by approximating the body shape with triangles and boxes. Both vertically and horizontally you can find the line where the volume is equal on each side (of the line) and use the intersection of those two lines (again vertical and horizontal) to find the center of mass.

    Don't bother with centroids, you'd need to find a function that describes the shape of the bass on both the bass and treble side and that's way too much work.
     
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  16. Col E Loc

    Col E Loc Supporting Member

    Nov 8, 2009
    Brooklyn, NYC
    Like a cross at the center? Where the mass is equal on all sides.
     
    BioWeapon likes this.
  17. Yes that's right! The vertical line of the cross is where the volume is the same on both sides of it, same goes for the horizontal.
     
  18. Col E Loc

    Col E Loc Supporting Member

    Nov 8, 2009
    Brooklyn, NYC
    Interesting, so if I want to add mass to one quadrant, it has to be the same for the other three?
     
  19. In order to keep the CoM at the same spot, yes.
     
  20. Col E Loc

    Col E Loc Supporting Member

    Nov 8, 2009
    Brooklyn, NYC
    Thinking something like this. IMG_2565.JPG
     
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