Musical note and frequency information
This frequency is 25 cents sharp from the exact frequency of C#9.
The exact frequency for C#9 in standard tuning (A4 = 440 Hz) is 8869.84 Hz.
Harmonics of 9000 Hz
| # | FREQUENCY | NOTE | CENTS |
|---|---|---|---|
| 1 | 9000.00 Hz | C#9 | +25 |
| 2 | 18000.00 Hz | C#10 | +25 |
| 3 | 27000.00 Hz | G#10 | +27 |
| 4 | 36000.00 Hz | C#11 | +25 |
| 5 | 45000.00 Hz | F11 | +12 |
| 6 | 54000.00 Hz | G#11 | +27 |
| 7 | 63000.00 Hz | B11 | -6 |
| 8 | 72000.00 Hz | C#12 | +25 |
Frequencies above 20 kHz are outside human hearing range
This is in the treble/high range. This adds air and sparkle to sounds.