Not sure what to tell you about the dimensions, I have a PDF of the 'generic' manual gulf stream provides from their site and I couldn't find anything mentioning TV side. If it is of any help the one in my 23BHS is a Philips that appears to be about 42 but your layout (which is really nice!) is a little different. If we did not have those darn grandkids
tagging along I would have chosen the 19twd also.