I went to the thrift store and there was nothing cool there until I saw this on a bottom shelf...
They were asking 20$ with stickers that they were unsure if it worked so perfect for me. This is a PSU for Mackie mixing desks with a super long umbilical cable which I have removed. Heavy fucker too... at least 10kg.
Healthy output current so the idea came into my head to use it as a bench supply should it work.
After some cleaning it looked ok with no bad caps or any visible damage. Just look at that monster of a transformer. So I turned it on and well it worked so this was next:
No current limiting here but hey, this one was cheap so who cares. Also I can test large class A amps with this beast.