So, someone had the idea to remove the SMS-1 from the chain. Wow, huge difference.
Now, I didn't want to post anything definitive until I had some more time to test it out, because I knew that the SMS-1 needed to be close to 15 on it's volume, and we were well below it the other night. So, today I adjusted the gains on one of my Submersives so that it would be level matched with the speakers when the SMS-1 volume is at 15. I played to same scene, each time upping the volume until the db meter stopped going up.
I reached that point of no more db increase no matter how high the volume was pushed at reference on the master volume and the sub at +10.
Here was the readings from the omnimic using C weighted Slow:
Next, I took the SMS-1 out of the chain and re-calibrated the speakers to match the Submersive.
Once again, I used the same scene (BTW, elevator drop/uzi scene from Underworld)
That is a HUGE difference, and it is very obvious subjectively too.
Now, I say that I'm done with it the SMS-1, I may still use it for music but it is clear you should not use it for movies IMO.
You guys that have the sms-1 should test yours out, maybe it's just my unit who knows.