One Piece Guitar Design

Discussion in 'The Small Company Luthiers' started by FFTT, Mar 9, 2008.

  1. FFTT

    FFTT Member

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    Last weekend my friend Johnny Tsak came over to show me his
    new Rushmore one piece guitar made out of a single plank of top grade Brazilian mahogany.

    To be honest, I was skeptical like many would be, wondering how you would keep the neck from twisting, but they seem to have pulled it off using two
    graphite rods on either side of the truss rod.

    Anyway we threw together a few You Tube clips to show it off.

    http://www.youtube.com/watch?v=ODlNgr2c2RQ#GU5U2spHI_4

    The LP vs One Piece sustain test is particularily interesting.
    http://www.youtube.com/watch?v=Y8thmwKpLeo&feature=related

    At the factory
    http://www.youtube.com/watch?v=9J-poZ50zws
    http://www.youtube.com/watch?v=_AESEFWnHQs
    http://www.youtube.com/watch?v=IulKC15g99M
     
  2. atquinn

    atquinn Supporting Member

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    I like the pickup layout for that one-piece guitar, but I don't think the sustain test is valid at all. There are too many different factors between the 2 guitars to conclude that the one-piece construction is what accounts for the difference.

    -Austin
     
  3. hogy

    hogy Member

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    Is that the dude from "School of Rock"?

    That sustain test is useless, he picked a dead spot on the Les Paul. When he sustains a note on the one piece guitar in a different position (middle of the neck), you can hear how it dies. Only he brushes over it by noodling on.

    You can find plenty of notes on a Les Paul that sustain forever with enough amp volume.
     
  4. FFTT

    FFTT Member

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    Both guitars were tested using the identical amp settings, no pedals.
    The '85 Les Paul Studio Standard is mine and while it's a great guitar overall,
    I assure you the test results are valid.

    The clips shown are the best of about 10 takes and the results were consistant.

    I'm not absolutely certain about the correct specs on the Shaw PAFs as far as actual impedance.
    They are regarded as the closest to the original design with the only
    difference being the coating on the windings.

    BTW, that "School Of Rock" dude has worked with Eddie Kramer
    who produced both Jimi Hendrix and Led Zeppelin :)

    http://www.youtube.com/watch?v=FPTerzmFwZ0
    http://www.youtube.com/watch?v=TrJ5r0XlJGM

    Part of your statement is true.
    With enough volume any guitar can be driven to that kind of sustain.
    The Kramer clips were recorded with a pair of vintage Bradshaw modded Marshalls
    slaved to another 500 watt amp to get those sounds.
     
  5. emjee

    emjee Member

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    When he tries to get the LP to sustain, it fades away rather quickly. Now correct me if I'm wrong, and I know someone will, when he picks up the one piece, isnt he playing the exact same note on that guitar? To my ears they sound like the exact same pitch. Or am I mistaken?

    MG

    P.S. What kind of cab and speakers are being used with the Bad Cat?
     
  6. Unburst

    Unburst Member

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    Sustain and feedback are two different things.
     
  7. Darby Crash

    Darby Crash Member

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  8. FFTT

    FFTT Member

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    The Vintone Circuits solid Vermont cherry 2X12 cab is loaded with one original EVM12L and 1 NOS JBL K-120 Alnico

    I have more photos of it here.
    http://www.thegearpage.net/board/showpost.php?p=3790381&postcount=31

    And yes he was playing the same part as close as possible.
     
  9. David Collins

    David Collins Member

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    It may be a great guitar that he built, but there is nothing there that even remotely suggests a difference in sustain caused by one piece construction. Conclusions that the black color of the Les Paul killed sustain would have exactly the same merit as attributing the difference to construction styles.

    It sounds to me like the LP needs a fret dress and setup.

    If you missed the thread, there was one a week or so ago that touched on body style and sustain.
    http://www.thegearpage.net/board/showthread.php?t=361506

    And I'm not sure who said it couldn't be done. I'm sure it's been done many times, and can't imagine any reason why someone would say it wasn't possible. Not practical perhaps, but no reason why it wouldn't be possible. Heck, aside from a glued on spruce top, Orville Gibson was pretty much making acoustic guitars this way a hundred years ago.

    If you really wanted to test the one piece = more sustain theory, you would saw the neck joint on that guitar apart then bolt it together. Test it with a consistent mechanical drive of the string, record samples, run them through spectrum analysis, etc. Then glue the joint together and repeat the tests. This is a simplified version of R.M. Mottola's tests, and he ended with results quite opposite to that theory.

    Sorry to sound too critical, but confusion of correlation with causation is a pet peeve of mine. It looks and sounds like a great guitar he made though - very cool.
     
  10. FFTT

    FFTT Member

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    I assure you, my '85 LP is actually smoother and set up even better than Johnny's one piece. It plays like a dream and intonates perfectly.

    Not meaning to argue these points and I'm glad to read everyone's input
    for better or worse.

    I forget exactly how much his guitar weighs, but I seem to remember that
    it was close to 10 lbs.

    So the density of the wood could also be a factor.
     
  11. gitman

    gitman Member

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    Marchione has a one piece mahogany guitar on his website but i did not find the kind of hyperbole and exaggeration in the description of his instruments like this guy does ..... why has there always be "the Best for everybody" ?
    personally i have no use for such a guitar and when i think of the amount of wasted wood this type of construction will produce - i don't like the concept. IMHO.

    http://www.marchione.com/neck-through.html
     
  12. devilrob1979

    devilrob1979 Member

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    You stated that there are no pedals on the one-piece test but I know for a fact I heard delay before he started playing thething. It's a pretty guitar though.
     
  13. Jerrod

    Jerrod Silver Supporting Member

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    I heard that you just can't beat that guitar because it's superior to every other build.
     
  14. 6thstringmusic

    6thstringmusic Member

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    Generally speaking, I'm with you on that one.
     
  15. shuie

    shuie Member

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    Wait just a minute. Do you mean to tell me that a hand built guitar can be a better instrument than an '80s production Gibson with '80s Gibson reproduction PAF pickups?

    Why does he use the same note to display the infinite sustain effect? Isn't a lot of that just the right combination of harmonic feedback and the resonant frequency of the piece of wood? It would help if he could do the same thing anywhere else on the fretboard. And why would always-on-infinite-sustain be a good thing, again?
     
  16. Rob Sharer

    Rob Sharer Muso-Luthier

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    Sounds like a colossal waste of scarce tonewoods to me. What an inefficient way to use raw materials. Shouldn't be encouraged - what happens if everyone starts demanding the one-piece thing, because of some perceived mojo advantage? Cheers,

    Rob
     
  17. HHB

    HHB Member

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    it has the feel of an info-mercial, most of these you-tube clips are more about the demo guy than the stuff IMO
     
  18. devilrob1979

    devilrob1979 Member

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    He did make a pretty killer face while exeuting that amazing bend though.
     

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