For those who may want to look at annealing units that are affordable in comparison to an AMP unit.
Todd Elfer is developing a new version of his, not ready yet as of today due to Covid and supply issues, but, shud be getting out this year I expect;
https://www.youtube.com/watch?v=A7wBBzXSQnc
And for those who haven't seen the Annealeeze;
https://annealeez.com/