I vidoe taped a few of the homes for auction and took some screen shots and attached them here. It looks like I can get a wall built where I drew in the 2 red boxes. So that way the stair case will be enclosed, wich is where te common wall is. I thought all 4 floors of the stair case were exposed but after looking at the video it looks like only the 1st and 2nd floor are expose (the screen shot is when i was on the 2nd floor). So I'd create one big thick wall wall that is sound proof - and it can be pretty thiick. then create another thin wall against the exisitng wall (can't make it too thick otherwise I can miove furniture up and down the stairs). Plus I'll need to good doors, one for each floor. Would that work? Or would I have to do my floor and ceiling (no townhouse units are above or below and this is an end unit). I think I'd be willing to pay $10K tops to do this. Sounds possible?
I would put the speakers up against the rails, so they would be I guess about 16 feet away from the back wall. Is that too far away?