For several years I have hosted Australian luthier, Trevor Gore,  in my shop for masterclasses on Modal Tuning. Trevor literally wrote the book on the subject and travels around the world teaching people his modal tuning methods to achieve the best results as you build your guitar. Trevor says that if there is enough interest, he can consider coming back to Colorado for a 3 day modal tuning class in 2024. If you are interested, go ahead and let me know by sending me your contact info. This way I can judge the amount of interest and get back with Trevor about dates. Tentative dates would be late July or mid October.
This is an awesome class opportunity! Here are some of the things you will learn in the class.
  • How strings drive your guitar
  • Visualizing and understanding modes of vibration
  • Relating modes of vibration to guitar frequency response curves
  • Measuring frequency response curves
  • Relating frequency response curves to generic guitar types (classical, flamenco, steel string rhythm, steel string finger picking)
  • Introduction to theory of modal vibrations
  • Mechanical impedance and admittance
  • Targeting the “right” modal frequencies and avoiding the wrong ones
  • Requirements of a guitar as a static and dynamic structure
  • Measuring material properties so that you can make the best of the wood you have rather than wishing for the wood you would like
  • Bracing schemes for backs and tops
  • Practical tuning of guitar modes: Moving from “as built” to “to design”
  
 

Here is what someone said about Trevor's class.
"I did Trevor's course quite a while ago, best money I ever spent, It changed for the better how I built and accelerated my knowledge by many years in three days, I can absolutely recommend the course for anyone considering it." Paul

If you are interested in this rare opportunity to learn from the master, please contact me ASAP. Here is a video interview I did with Trevor on how to get more volume out of your guitar. He discusses this in detail in the masterclass. 
Robert O'Brien - Trevor Gore interview
If you are interested in learning to build guitars or just want
to see how I build my guitars then schedule a class with me.
If you are in need of a concert quality classical or steel string
guitar then let me know as I would love to build a guitar for you.

Thank you,
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