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estebanana -> RE: Lateral tautness (Dec. 3 2025 11:28:09)
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quote:
ORIGINAL: Richard Jernigan
quote:
ORIGINAL: Ricardo
quote:
I conclude that some factor or factors other than action contribute to the marked disparity in feel (pulsación) between these two instruments.
My hypothesis would be 1.neck angle, and 2. humidity, either giving the perception of hard or soft response, but what it can NOT be, which you ruled out by measuring, is its Pulsacíon aka ACTION, (assuming same strings as well). What you can do is on the stiff guitar LOWER THE ACTION [:D][:D], so even more, and it will probably feel like the same pulsación "magically". [8D]
No. Pulsación is the feeling, the perception. Changing the action is one of the few ways of changing the feeling, once the guitar is completed. Another way to change the feeling of a completed instrument is putting on strings of different tension or elasticity.
RNJ
I’m still mystified as to what pulsacion means. Let’s go either way it means the feeling and the perception of hard and soft haptic sensation. Haptic meaning how something responds to touch and how the human perception systems like sight and nervous networks in turn evaluate that feedback from the things we touch.
Ok, let’s try to make a language for the sensations, let’s try to frame out those micro feedback informations we’re getting loaded with. That’s difficult, it’s extremely complicated to create precise language for these dozens or maybe hundreds of little particles of information we’re bouncing back and forth between ourselves and tool we’re using, in this case a guitar. And because the precise language is perhaps impossible to verbally communicate, we transition into a non verbal communication between us and the guitar. When we get to that stage we over simplify the feedback from the guitar and how we touch it to make it respond. We use basic terms like hard action, soft action, or coin terms like lateral stiffness, but let’s not kid ourselves that we’re being precise, we’re not.
Our perceptions through our hands are too complex to describe in any other terms than the most inadequate simple words, and even then the words remain mostly abstractions of the huge gush of stimulus we get from playing the guitar. We are existing in the nonverbal logic of music and haptic senses.
When the guitar doesn’t feel right, it’s too this or too that and doesn’t spin, we use simple guesses at words or we craft analogies to explain the non functionallity to our repair person it set up person. Then that individual tries the guitar and says “Hmmmm. I feel what you mean.” Then through the accumulation of haptic memory and experience filing a bit here in this nut slot or reshaping the saddle and other purposeful moves the set up person solves problem and the guitar ‘spins right’ - its a wheel on a car that needed to be rebalanced, or different gauge of line for a flyrod that enables the rod to flex more efficiently.
All this stuff is non verbal intelligence. Maybe it’s enough to trust that it gets the job done and de-emphasize that need get wordy about how to express the problem? The repair person understands the set up work in in a non verbal way through touch. Of course a guitar nut has slots, overall dimensions, surface qualities like it’s highly polished, but the actual final adjustments are not really evaluated by dimensional information, after the correct fitting is had, but by a non verbal intelligence which is guided by the set up persons perception of the way the guitar feels.
Therefore the difference is semantic when we try to nail down what pulsacion and action mean, or other terms. They are just terms which when compared to the ferocity of the information we received haptically are pretty dull knives when used to cut the fattiness off of communication.
Haptic non verbal intelligence about how the guitar feels- lean, precise, instantaneous, ice breaking.
Words and metaphors- slow, indelicate, larded over, buffeted by windy interlocutors 😆
Speak not to what pulsacion means, but hand guitar to roadie who knows how to tweak a set up.
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Injuries from guitar playing are a whole other thing and happen more often due to bad technique habits, not bad ‘action’ of the set up. The proof is that skilled players with good technique can handle guitars with less than optimum set ups, and players with bad habits can wreck themselves in the guitar with an excellent set up.
( I’ll clean up typos later )
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