Frequency Plots
40% Fan Speed
50% Fan Speed
The loudest frequency, 630 Hz, is the 630 Hz is the exponential center of the audible spectrum!
75% Fan Speed
The loudest frequency is 250 Hz, which belongs to the bass region.
100% Fan Speed
The dominant frequencies are 250 and 500 Hz.
Signal Recordings – 40/50/75/100% Fan Speed
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.
40% Fan Speed
50% Fan Speed
75% Fan Speed
100% Fan Speed
Pages:
