Bruce Morgenstern
CVRS Member

Hi Joseph

Following is a link to a site that has a simple B+ power supply schematic, just scroll down and you will see it.

I use an ARBEIII Universal Battery Eliminator for my battery radios which works really great. It is really easy to use and simple to hook up. There is also a 81 page set of connection diagrams for the early battery radios. Following is the site for the eliminator.

Following is the link for the 81 page connections diagrams.

Hope this helps you.