More power to you - AC⚡DC FOREVER

[Superdad]

http://www.paulhynesdesign.com

https://uptoneaudio.com

https://www.sonore.us/power.html

https://www.acopian.com/single-l-goldbox-m.html

https://www.belleson.com

[Superdad]

3 hours ago, mansr said:

The available schematic doesn't show the rectification. Could be anything.

 

According to Mr. Pardo and as seen in photos, some of his supplies use an SMPS brick inside for the AC>DC and then he runs that through his regulator board:

And some linked photos:

 

Pretty sure his 2A supplies have their own trans and rectifier diodes though.