Thanks all!

Following TA's guidance, I was able to pry off the cover, remove the underplot, and there, bingo, was a transformer larger than the Prime Power's case (very Tardis like).


I absolutely wouldn't have gotten this without your help.

Thanks again

Living room: 818v3, Audio Research D150, Maggie 1.6
A/V room: 861v8, DSP7200SE L/R/C, 4x DSP320 surrounds, ID41 + Roon, UHD722, Prime+PS