Frequency Plots
Min Fan Speed
50% Fan Speed
75% Fan Speed
100% Fan Speed
At up to 75% fan speed, the dominant frequencies are within the 160-400Hz range. At full speed, the highest frequency is at 1KHz.
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.
Min Fan Speed
50% Fan Speed
75% Fan Speed
100% Fan Speed
Pages:
