Can't say I've heard of the Omega before, but I did a google search and found this:
http://www.normans.co.uk/html/instruments/trumpets.html
Looks like it's a student model based on the strad with a two-piece bell.
Any reason you're specifically looking for a Bach? You might find he prefers a Yamaha or Conn V1 or various other things. (Plenty of threads of that already, do a search and see what turns up!)