I updated page 5, please check if everything is correct.
Thanx to Ed Anderson for output transformers options.
I will be happy to try here b11148 from Hairball Audio as well.
Regarding the T-pads, input and output transformer options.
Hairball Audio has an excellent service, I recommend them for input transformers and T-pads.
My personal choice was LL1524, I liked the sound.
However, API output clones can sound great with API-kinda DOA here.
It is all up to your taste.
I will post very soon the front panel design for 1RU stereo unit.
IMHO, for people who need great sounding stereo FET compressor in 1RU...
this is really cool option.