Sound test 100KRPM FAN

This test was done on top of the machine with it enclosed. This way the air coming out the duct does not influence the results.
Plenum does not change flow output.
Small room, more echo, keep that in mind.
Next step is to use some sound deadening fiber inside the box and make a Hemholtz chamber to target the high frequency.

[@MatrixRay19]

Rocksalt, I know you're crazy, but needing to wear ear protection near the printer is a bit much 😂

[@MrRocksalt]

What

[@twanheijkoop6753]

Is it time to start playing with inline mufflers? I know there are some for cpap machines which are basically industrial inline duct mufflers scaled down.

[@MrRocksalt]

Something has to be done! This was a rabbit hole I didn't want to go into!