Earl K dug an image out of an old thread in answer to my quest for dimensions. (Thanks Earl!):
http://audioheritage.org/vbulletin/s...7&postcount=16
At the bottom of his post he included a link to the original 250tiJubilee thread which has a lot of good info besides the enclosure dimensions:
http://audioheritage.csdco.com/vbull...=250ti+jubilee