How do I tell which model I have?
How can I order a power supply for it?
jazzcat-
You can get a copy of the Dynamis manual here:
http://www.bachmanntrains.com/home-usa/ez_content/dynamis_manual.pdf
The input for Dynamis is 15.5 volts at 2.5 amps. You can use an old wall wart if you have one with the correct rating.
I hope it all works well for you.
-- D