Vacuum vs. sand based devices... again (Part 1)

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Vacuum vs. sand based devices... again (Part 1)
« on: 29 Nov 2011, 06:09 pm »
An interesting and balanced article. Some interesting facts about sensitivity of human hearing, quite fascinating instruments, those ears of ours...

http://electronicdesign.com/article/analog-and-mixed-signal/-House-of-Fire-Firebottles-And-Groove-Tubes-Versus-Devices-That-Find-Their-Origins-in-Sand-Part-1-.aspx?cid=ed_powernewsletter&NL=1&YM