Dave explains Gain Bandwith Product and how it’s possible to increase your system bandwidth by cascading opamps in series. Also, a discussion on the associated noise issues.
A breadboard example shows how variable GBWP can be, and how it can relate to distortion.
Opamp Noise Tutorial
The Dulmont Magnum “Kookaburra” from 1983 is the only laptop to have even been designed ...