Bicycle bells.
It should be mentioned that they vary a lot. A small
change in the diameter will make a big difference to
the note sounded.
They are not the same. But the one I tested was
very close indeed to 400hz.
It should be mentioned that they vary a lot. A small
change in the diameter will make a big difference to
the note sounded.
They are not the same. But the one I tested was
very close indeed to 400hz.
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