Thanks to all who responded about the m14 test. This test was not listed in the "Tests for Octaves" section in Jorgensen's _Tuning_ book. What beat rate do you try to get? I suppose it will vary according to personal taste. Having listened to it while tuning, the beats per second increase as the size of your octave increases. Is this is a test for an 8:4 octave? It seems that tuning this way will produce a beatless interval when the lower note is played with its corresponding "octave" in the temperament, which should be an 8:4, I think. Thanks again for the input. John Formsma
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