be quiet! Light Wings 140mm PWM Fan Review

Frequency Plots

25% Fan Speed

50% Fan Speed

75% Fan Speed

100% Fan Speed

The dominant frequency range is within 400-800Hz.

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.

25% Fan Speed

50% Fan Speed

75% Fan Speed

100% Fan Speed

 

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