Why a spindle on my CNC….cuz silence is golden.

Here is a demonstration and discussion on why I chose a water cooled spindle for my CNC machine. ~P.
220v Spindle on Amazon: http://amzn.to/2ij0T6b
110v Spindle on Amazon: http://amzn.to/2zkFzbl

dB values: http://www.answers.com/Q/What_is_the_normal_decibel_of_a_human_voice

source