Musical note and frequency information
This frequency is 7 cents flat from the exact frequency of C#2.
The exact frequency for C#2 in standard tuning (A4 = 440 Hz) is 69.30 Hz.
Harmonics of 69 Hz
| # | FREQUENCY | NOTE | CENTS |
|---|---|---|---|
| 1 | 69.00 Hz | C#2 | -7 |
| 2 | 138.00 Hz | C#3 | -7 |
| 3 | 207.00 Hz | G#3 | -5 |
| 4 | 276.00 Hz | C#4 | -7 |
| 5 | 345.00 Hz | F4 | -21 |
| 6 | 414.00 Hz | G#4 | -5 |
| 7 | 483.00 Hz | B4 | -39 |
| 8 | 552.00 Hz | C#5 | -7 |
Frequencies above 20 kHz are outside human hearing range
This is in the bass range. This is where fundamental frequencies of bass instruments reside.