Posted: Sat Jun 24, 2017 9:03 pm Post subject: Origins of the Olds CHR and Reynolds ERA
In this Video I explore the origins of the Olds Custom High Register and Reynolds Extended Range Altissimo Designed by William T. Cardwell for Olds. I demonstrate 4 different bells that have the same intonation characteristic but totally different tone colors. I also compare the Olds CHR to 2 other trumpet designs.
William T. Cardwell has done unparalleled work on trumpet design. He was able to predict and calculate intonation in trumpet design. He backed this up by building a machine to confirm his theories. You can read more in an article by Gary Bast in the ITG Journal Vol 41. No. 1 October 2016
My final conclusion about the Olds CHR is that ts does what is was advertised to do. It makes the upper register easier. When I looked at the audio graphs as I edited this video the reinforcement of the higher notes by the brighter (2000hz) bell was quite pronounced. There is evidence in listening as well. Is it easier than other horns of the day? Quite possibly! Is the over all playability better? Well that is debatable.
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