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3D printer noise comparison

3D printer noise comparison. This is my standard test using dedicated noise level meter from 0.5 meters distance from the nearest point of the hotend. The noise level meter is placed on the tripod directed to 3D printer. The main comparison video (10 3D printers): https://youtu.be/vkNUInFPF8M

Results

3D printer	dB	Comment
Ender-7	53	part cooling fans
Ender-3 V2 NEO	52.8	everything stock
Ender-3 V2	52	direct drive, but stock fans
Ender-2 Pro	50.5
Sapphire Plus	48.5	variates 45-52 dB
Ender-5 Pro	48
Ender-3 V2 + Enclosure	47	Creality enclosure
Kingroon KP3S	46.2
FLSUN SR	46	retraction loud
Ender-3 S1	45.2
Prusa MK3S	45
Kywoo Tycoon	44	not silent on Z
Lotmaxx Shark V2	43.5	laser unit quiet too
Sermoon D1	42	not silent on Z
Artillery SW X2	41.6
BIQU B1 SE Plus	41
Mingda Magician X	40.3	click noise during retraction
Artillery Genius Pro	39	quietest in this test

*no silent Z = the stepper motor driver on Z axis is not silent and the stepper motor creates noisy movement.

UYIGAO UA961