And there’s very little reading involved!
I hope this helps some folks!
8 Likes
is there a tldw; for the video? the theories in cliff notes? 
Output impedance:
In oversimplified terms: Output Impedance is a combination of RDS(on) (or its BJT equivalent), internal conductor/component losses and losses due to the circuit responding to back-EMF from the voice coil.
Damping:
https://www.learnabout-electronics.org/ac_theory/lcr_para_104.php
In oversimplified terms: The capacity of a system to reduce an oscillation.
2 Likes