Post date: Nov 23, 2014 6:16:59 PM
Not an easy one to tune! The three frequencies followed the same chladni pattern all the time and with approximately the same delta between them. Arch height 16 mm, long curved to keep up the highest frequency. The volume is like the example on page 165, but I left a little margin so to try taking down the weight a little more (tuning both from in and outside as a last step)
Here is some ideas about the Finnish wood I have used:
http://www.maestronet.com/forum/index.php?/topic/331528-300-year-old-spruce/#entry652860