Quote Originally Posted by evert View Post
If you by this means that all sound from a springer comes from vibration, you are definately wrong

Some springers have quite fierce muzzle blast, even at 10fpe..
No I mean that ALL sound comes from vibration.

To quote wiki :

In physics, sound is a vibration that propagates as a typically audible mechanical wave of pressure and displacement, through a medium such as air or water. In physiology and psychology, sound is the reception of such waves and their perception by the brain