I went to a place called WestCoast A.V. Gallery east of Soundroom.
Main street Chinatown neighbourhood. Almost across from the Greyhound/Train via rail stations.
Nice little place quiet more of a designer setup integration place.

I wasn't trying to add receiver it's a crest audio VS900 450x2 WPC power amp. It doesn't want to play nice much ground hiss.
My ADA plays well on its own. Have it running my main 3.
Haven't used the Crest since got my ADA.

The Anthem I have is 7.1 with 11.2 pre outs so for atmos 5.4 or 7.4 need a power amp. for heights. Now I'm content with 5.2.2.
may try again with ADA instead of just trying to add my old equipment to mix.