I finally learned to put transistors the correct way around in my class B amps. ;-J
Some of the components (decoupling and bias) in the intermediate stages may not be necessary. This is half-remembered stuff I fiddled with until it worked.
Better PSU for quicker startup and less ripple, but still suffers from both. Making the leftmost 1mΩ resistors 1Ω instead improves that ripple but greatly increases startup time.
Resistors added to monitor power voltage at the same time as current (1kΩ, 1mΩ), but they're not monitored at present.
