I've attached a slinky to the ceiling; over time, the slinky slows. This is an example of a damped harmonic oscillator, or if you like, in the limit as time approaches ...
Pioneer TSW-256c 2 x Infinity reference 6903i
Pioneer TSW-256c 2 x Infinity reference 6903i.
Technics se-a3000 Infinity Kappa 8a
Technics SE-A3000 SU-C3000 DVD-A10 Infinity Kappa 8a HIGH END.
Db Dynamics speakers - excursion (via YouTube Capture.)