Marimba Stretch Tuning - (information from Bence Varga)
I have some information on stretch tuning.
1. At www.lafavre.com you'll find a section of marimba making, in that Mr. LaFavre writes about a basic stretch tuning process.
2.There is also a book sold at www.dandemutande.com (Chris Banta, Marimba Bar Fabrication and Tuning) that describes stretch tuning, though I have never read it.
I am planning to buy Banta's book once, I hope it will help. Anyway, I saw that you are especially interested in bass marimbas. He has a book on Bass marimba building, that focuses only on that topic, it is called Bass Marimba. It was published long ago, but you may find it at libraries.
My best wishes and greetings,
I have just found 2 more articles, that can be useful for you. Check them out if you are interested. They are
in the Perception of Musical Sound section of this page:
I was the one who contacted you about the stretch tuning of marimba bars. I hope I don't disturb you, but I managed to get some very good information on marimba bar tuning:
Here is the link of that article. You can put a link to it on your site. It might be useful for some people.
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For more help on instrument building you can email Jim.