4:2 Octave - M3/M10 test, F3A3 = 6.6 bps, F3A4 = 7.9 bps (22.3% wide)
Unfiltered
Filtered
6:3 Octave - m3/M6 test, A3C4 = 9.2 bps, C4A4 = 7.2 bps (21.6% narrow)
Unfiltered
Filtered
![octave-001](https://i0.wp.com/howtotunepianos.com/wp-content/uploads/2021/02/octave-001.jpg?resize=871%2C336&ssl=1)
4:2 Octave - M3/M10 test, F3A3 = 6.6 bps, F3A4 = 7.9 bps (22.3% wide)
Unfiltered
Filtered
6:3 Octave - m3/M6 test, A3C4 = 9.2 bps, C4A4 = 7.2 bps (21.6% narrow)
Unfiltered
Filtered
Enjoying the Temperament Reports?
If you are not a member yet, why not take a look inside and see what other great videos and lessons there are to help you learn how to better tune pianos?