Well, no, but I did have my hifi/junk room designed into our current (and last, I hope) house, in NH.
DSC_8059 by
Mark Hardy, on Flickr
(mine when it had considerably less
cr@p in it than it does now)
Mine was strongly influenced by Gary Kaufman's -- although Gary's is bigger, has an "
en suite" bathroom, and is filled with altogether cooler stuff than mine.
(hey, that's me, younger and fatter, in 2003 in the photo above)
Perhaps more on-topic -- there was the place in Italy (according to the internet) with the subwoofer basement.
I don't have a good link for the project; the one below's from Pinterest.