Chisel And Plane ; Voicing A Top In My Shop

  Рет қаралды 8,860

The Pragmatic Luthier

The Pragmatic Luthier

8 ай бұрын

Tips, commentary and rational in voicing an acoustic guitar top.

Пікірлер: 49
@springcreekfarmer
@springcreekfarmer 8 ай бұрын
I just want to say I appreciate your efforts in making these videos. I'm a functional woodworker myself and a 40+ year guitarist to boot. I have too many irons in the fire to get into making guitars myself, but I understand wood and music both to some extent. So your videos hit all the marks for me. Thanks from Ontario.
@thepragmaticluthier
@thepragmaticluthier 8 ай бұрын
You're very welcome. I sincerely appreciate your comment.
@Expedient_Mensch
@Expedient_Mensch 11 күн бұрын
19/32nds of an inch... 15mm, every day in every way, I appreciate the metric system more and more....
@tedrowland7800
@tedrowland7800 8 ай бұрын
Thank you for the time, effort, and myriad of questions that I've asked and you answered since joining your channel. I always look forward to what you post.
@thepragmaticluthier
@thepragmaticluthier 8 ай бұрын
I'm glad that I have been helpful in some way. I like to share and help others. Mom & Dad made sure of that. The rest is the teacher in me.
@johnford7847
@johnford7847 8 ай бұрын
Thanks for all the detail and information. I think I'm starting to understand what to look doing my first build. Thank you for sharing
@monday6524
@monday6524 3 ай бұрын
A very educational video - thank you!
@jonahguitarguy
@jonahguitarguy 8 ай бұрын
The plan I'm using to build my two 000 12 fret guitars was was drawn by Don McCroskey for stewmac. It's a Martin guitar copy. It shows the thinnest part of the scallops at 5/16". Which seems pretty thin to me. I carved one top so far and it sounds good to me and seems to have the right amount of flex. I haven't check it against a tone generator like you showed in a previous video but I will with the next on I carve.
@stevecarver4906
@stevecarver4906 8 ай бұрын
Excellent video!
@christopherbubny8813
@christopherbubny8813 8 ай бұрын
Here---hear.....!
@CMRWoodworks
@CMRWoodworks 8 ай бұрын
Great info! Thanks for sharing your thoughts!
@thepragmaticluthier
@thepragmaticluthier 8 ай бұрын
My pleasure!
@fenderlead1
@fenderlead1 8 ай бұрын
That was great! Thanks!
@thepragmaticluthier
@thepragmaticluthier 8 ай бұрын
That's very good to know. I'm glad you derived benefit from the video.
@Hungry_Hunter
@Hungry_Hunter 2 ай бұрын
Brillant
@davidjennings9253
@davidjennings9253 5 ай бұрын
Excellent video once more !!
@thepragmaticluthier
@thepragmaticluthier 5 ай бұрын
Thanks again! Your comment is very encouraging.
@ronbieganski7943
@ronbieganski7943 8 ай бұрын
I have enjoyed your approach and your insights into guitar building. I have been building for about 10 years (Specimen Products in Chicago) and I am just now getting an intuitive feel as I build. I have been reading a book called "Contemporary Acoustic Guitar Design and Build", by Trevor Gore and Gerard Gilet. They write about scientific analysis usually in guitar building. (Reading their work takes me back to my college physics classes in 1980). What I like is they mirror the practice experimentation that you have done over the years. The iterative process you have done in building guitars over the years is supported by their scientific analyses! I love it when that happens in life. Like when the Buddhists figured out many things about the brain, that scientists are just showing to be true. That was harder to write than I thought it would be. Keep up the good work, someday I would love to have a beer and talk around a campfire...or assist you in a workshop...or both.
@thepragmaticluthier
@thepragmaticluthier 8 ай бұрын
Thanks very much for your comment. I value the validation, especially because I constantly question what I'm doing and what I know. It's very difficult to meld a scientific approach with an intuitive background and my attempts to incorporate more of the science leave me with the persistent question; how do I turn the results from testing and analysis into the specifications of an instrument and movements into shop. I agree! We should have a beer and talk at length.
@maplebones
@maplebones 5 ай бұрын
@@thepragmaticluthier Enjoy your beers and talk. Hopefully when you've applied the scientific method and built the perfect guitar, you can go on to find the equally elusive perfect dog or perfect wife . Good luck, gentlemen.
@tomehCanada
@tomehCanada 8 ай бұрын
Thank You
@thepragmaticluthier
@thepragmaticluthier 8 ай бұрын
You're welcome. Thanks for watching my videos.
@newffee
@newffee Ай бұрын
Great video Kevin! Some really good tips on bracing. So if you wanted a little more lower end but not muddy, how would you brace for a jumbo torrified Adirondack top with Sapele back and sides? Hertz wise?
@thepragmaticluthier
@thepragmaticluthier Ай бұрын
This video, if you haven't seen it, may be of help. If you are trying to lower the resonant frequency of the top, open the X brace, drop the height of the braces ( very slightly), Move the tone bars further away from the bridge patch, angle the tone bars more toward parallel to the center line of the top, reduce the size of the sound hole. That you are using Adirondack Spruce and Spell is not particularly pertinent. kzfaq.info/get/bejne/nLp7qM6Jr6zMl30.html
@newffee
@newffee Ай бұрын
@@thepragmaticluthier Thank you Kevin. I will check it out. Do you mean Perpendicular to the center line? Wouldn't more parallel tighten up the top?
@chrisosseweijer2798
@chrisosseweijer2798 8 ай бұрын
👍❤👍
@philipholman4888
@philipholman4888 5 ай бұрын
I'm building my first guitar, an OM kit from stewmac. As the X bracing is already contoured there are large gaps in the cross-halving joint. I notice you have a reinforcing cap of a different material across the joint. I can see this will get back some of the lost stiffness. What wood is that? Great videos by the way. Thanks from San Marcos, CA.
@thepragmaticluthier
@thepragmaticluthier 5 ай бұрын
The wood you choose for the X-brace reinforcement is not very important. It can be the same specie as the brace wood if you prefer. The variations that you see in my video are aesthetic choices, usually made form the same wood as the back and rims. It just creates an interesting view inside the guitar and I find that my clients love it. Great good luck with your guitar:)
@seanstark3422
@seanstark3422 7 ай бұрын
When voicing a guitar top, what frequency range are you trying to achieve? Secondly, what are the primary methods for achieving a higher frequency? Simply reducing the bracing?
@thepragmaticluthier
@thepragmaticluthier 7 ай бұрын
I'm not after a frequency range. Knowing the frequency of a top when I tap it is just a way of having a point of reference to compare with future tops and backs. When i voice a top or back, I'm pretty much willing to accept whatever frequency that is emitted, but I'm specifically after overtones and sustain for as log as I can get it.
@AStarkApproach
@AStarkApproach 7 ай бұрын
@@thepragmaticluthier Thank you for responding. This my first build and I haven't been able to get a good idea of what I'm searching for in sound or voicing. I do seem to have good sustain and I can feel the vibration from a tap for a long time. I'm not using conventional woods at all since it was more about the process of building. I tend to take the approach of building with as few tools and gadgets as possible to really see what I ACTUALLY need. I appreciate your approach-though your shop is equipped like crazy compared to mine. ANy thoughts on doing building a guitar rim bender side thingy...? That has been the thorn in my side lately. The form seems straight forward but the spreaders I'm not sure how to accomplish...
@Drew-B365
@Drew-B365 6 ай бұрын
Is there any way to contact you directly to get a guitar made?
@thepragmaticluthier
@thepragmaticluthier 6 ай бұрын
www.ladueguitars.com
@markgrimm3564
@markgrimm3564 8 ай бұрын
can ya share with us where ya go the mini plane with a handle on it
@thepragmaticluthier
@thepragmaticluthier 8 ай бұрын
The plane is a Veritas brand palm plane, available at Lee Valley Tools.
@dalgguitars
@dalgguitars 8 ай бұрын
Show us your sharpening thing for your drill press! (stropping)
@thepragmaticluthier
@thepragmaticluthier 8 ай бұрын
You can expect that short video by tonight.
@mandolinman2006
@mandolinman2006 8 ай бұрын
You sound like you're a fan of parabolic bracing.
@thepragmaticluthier
@thepragmaticluthier 7 ай бұрын
If you mean a parabolic shape when viewing a cross section of the brace, not always.
@79o123o
@79o123o 8 ай бұрын
Why are your tone bars opposite of most Martin style guitars?
@thepragmaticluthier
@thepragmaticluthier 8 ай бұрын
The guitar you're siding i this video is left handed.
@short6691
@short6691 8 ай бұрын
Do you play picking with your left hand?
@thepragmaticluthier
@thepragmaticluthier 8 ай бұрын
Yes, for 60 years now.
@short6691
@short6691 8 ай бұрын
I watch many luthiery videos and always inspect the hands of the maker. A player makes better guitars than a skilled craftsman with no performance experience…
@EveyoneCallsMeTheDude
@EveyoneCallsMeTheDude 8 ай бұрын
So say you’re assumption is wrong about not needing that finger brace how long down the road do you think it would take before you found out it wasn’t a good idea or that it was? -Asking a someone who watches you’re videos, not a Lutheir of any kind
@thepragmaticluthier
@thepragmaticluthier 8 ай бұрын
Thanks for your question. It's a good one. If my decision regarding the single finger brace is wrong, I expect the it will show up within a few weeks (3 to 6) as excessive bulging, but I doubt that it will end in breakage. Martin went to using a single patch, about 1/16" X 3/8" in a similar position on several of their 16 series, I assume just to control the possibility of checking. I will conclude that is was beneficial if I hear some increase in low frequency and observe no distortion beyond normal and of course, no breakage. I expect a full year will pass before I can draw any solid conclusion about physical results.
@eyeofamon
@eyeofamon 8 ай бұрын
10:05 - You give a specific frequency. How do you identify that? Even as talented as you are, I'd still guess you have to rely on some technology to get that.
@thepragmaticluthier
@thepragmaticluthier 8 ай бұрын
I compare the tap tone o the top to a tone generator. Whatever talent I may possess, it would be useless without the application of information , education, mathematics and science. Technology means," the practical application of knowledge". Even the "science deniers rely on it.
@rodparker4514
@rodparker4514 2 ай бұрын
Tap tones are mostly nonsense .What are the notes they want to hear , or what to do if they dont like the tone .
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