dbx 3bx gen 1

Hello from Orlando! Hoping someone can help me figure out which inputs and outputs to use on my old DBX. I have just replaced my old Soundcraftsman pre amp / eq with a Emotiva pre amp that doesn’t have tape loops. I was told to put 3BX between the amp and pre amp. I am using a Perreaux power amp...

A quick anecdote on DBX 3BX troubleshooting. I am new to this, as will soon be seen. Purchased a unit and most yellows lights and some red lights were not working. My original unit was my 'control' for observing what the behavior should be. Having read posts here and elsewhere, focused my...