Frequency Plots
10 – 30% Fan Speed
- Peak frequency: 200 Hz
- Standout frequency: 80 Hz
40% Fan Speed
- Peak frequency: 500 Hz
50% Fan Speed
- Peak frequency: 500 Hz
75% Fan Speed
- Peak frequency: 500 Hz
100% Fan Speed
- Peak frequency: 200 Hz
- 2nd Peak frequency: 250 Hz
Signal Recordings
I have recorded the signals shown above, but please keep in mind that I’ve enabled Automatic Gain Control (AGC) to do so to make it easier for you to reproduce them. The provided recordings are only offered for aural identification purposes.
10-30% Fan Speed
40% Fan Speed
50% Fan Speed
75% Fan Speed
100% Fan Speed
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