Wondering how you can add voltage control to a toroidal PSU like a KL-6020? I know you can remove coils but I am hoping to basically add a dial to reduce the voltage by up to 20V.
I am wondering if you can add one of these on the AC side to in turn control the voltage on the DC side. Or maybe theres a better way.
I have a basic understanding of electronics but this stuff goes way over my head. So any insight would be welcome.