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Noise sample, Cooler Master Mobius 120 OC, 4 scenarios.
The fan operates PWM 0% to 100% and 100% to 0%, gradually changing the rotational speed.
0:00 Noise reference by mouse clicking
0:07 Noise samples for fixed rotational speed (0%, 40dBA, 45dBA, 50dBA, 100%)
0:35 Noise sample 1 for PWM operation, No Obstacle
2:02 Noise sample 2 for PWM operation, No Obstacle (Vibration damped)
3:11 Noise sample 3 for PWM operation, Radator Exhaust
4:11 Noise sample 4 for PWM operation, Heatsink
Vibration damping: Noctua NA-SAV4 and cheap anti-vibration pad
Radiator: Cheap 120 radiator for a custom water cooling
Heatsink: Thermalright Assassin King 120 SE
Microphone: Matastudio C10
Camera: Samsung Galaxy Note 9 / STCOM FHD60F
PWM control: lich426's FanCtrl