Someone had mentioned Christopher Hansen on a thread I read the other day

Google is your friend.

I had forgotten about Christopher Hansen Ltd.. Located in Westwood, it was as high end as you could find on the West Coast, sort of our Lyric. The front of the shop was imposing, with a massive carved-wood front door in the middle of a huge ivy-covered brick wall. A little too snooty for my liking, with plenty of attitude. For platinum card customers only.

Maybe more like a West Coast Sound by Singer.

Dweller, the Hanson in Dayton, OH is spelled differently.  As for Christopher Hansen, I did as geoffkait suggested, did a Google search and without digging too deep appears he is doing high end home theater installs for the rich and famous, i.e., those who overpay.  Apparently Taters didn't even do that much, otherwise he should have updated his own post if he did....