Description
Triangle Plate "Earth-Day, sideric"
Triangle Plate "Earth-Day, sideric"
Tuning frequency = Earth-Day, sideric 1557.68 Hz
(three octaves higher than the tuning fork frequency 194.71 Hz).
Sound sample: click here
Long side of the triangle = 106 mm / 4.2''
For informations about the frequency of the sideric earth-day please click here.