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Joined:
August 2005
Posts: 122
Location: toneville USA | Please, only if you have a vast knowledge of the true nature of duality :p
i was wondering how a dual action truss rod(as ovation's boast) differs from standard ones.
can anyone define both actions?
tell me about results you've seen/heard/felt on guitars you've adjusted.
there are no stupid questions... |
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Joined:
January 2002
Posts: 14127
Location: 6 String Ranch | Turn it one way and it warps the neck, turn it the other and it bows it. At neutral the neck should be straight, then depending on your environment the guitar will adjust itself and you counter with a tweek on the rod. |
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Joined:
December 2003
Posts: 13986
Location: Upper Left USA | Here's what Stewmac says:
Hot Rod Double Action Truss Rod
They use pictures too.
Consider the two headed Llama in Dr. Doolittle for even more visual reference. |
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Joined:
March 2002
Posts: 14842
Location: NJ | ". . Consider the two headed Llama in Dr. Doolittle . ."
That'd be the "PushMePullYou"
(shut up, Witko!) |
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Joined:
February 2002
Posts: 1817
Location: Minden, Nebraska | A dual action truss rod is a significant feature. I have a Carvin Bass with a one-way truss rod that someone overtightened. It is a difficult enough repair in a bolt-on neck, but this bass is neck-through construction. Repairing it will require removing the frets and sanding relief into the neck.
The beauty of a dual-direction truss rod is that one can not only adjust both ways in response to environmental effects on the instrument but correct one's mistakes, as well.
:) |
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Joined:
June 2002
Posts: 6197
Location: Phoenix AZ | What other known guitar makers use dual-action-rods. Martin? Taylor? Does someone have a patant on it? Dave |
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Joined:
January 2002
Posts: 14127
Location: 6 String Ranch | I think the T company does. Warwick basses and probably a few more. |
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Joined:
February 2002
Posts: 5750
Location: Scotland | The single-action adjustable truss rod was invented by Ted McHugh at Gibson in the early 20's. Any patent would be long expired. Rickenbacker were probably the first to use a dual action rod and I think PRS are using dual action rods now. Dual action rods are a major improvement on McHugh's single action as they can correct warps as well as bows. The fact is that given reasonable consistency in ownership, string gauge and environment a really well made neck shouldn't actually need an adjustable truss rod. Martin started using adjustable neck rods relatively recently, and there's still countless Martins out there with square or T-section non-adjustable truss rods holding up perfectly well. Many manufacturers use neck rods as a short cut. They throw the neck together and use the rod to make the guitar play OK, which puts stress on the whole structure from the start. The best sounding guitars I've ever owned had non-adjustable rods. But, they were all handmade and horribly expensive, so back in the real world...... |
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explain the dual-action truss rod to me...
