This helps in microtuning C-notes or something like that.
Here it is:
D0 - 20 Hz
B0 - 31 Hz
C0 - 33 Hz
C2 - 66 Hz
C3 - 132 Hz
C4 - 264 Hz
C5 - 528 Hz
C6 - 1054 Hz
C7 - 2107 Hz
C8 - 4211 Hz
C9 - 8416 Hz
C10 - 16821 Hz
C#10 - 17717 Hz
D10 - 18988 Hz
D#10 - 20000 Hz
DjCanadaMan
hmmm
FrenZeon
It's a musician's guide to using the EQ for where to cut or boost frequencies or something.