Octorox said:
There is no mono mix of Empire.
Track 3 on the MKV of 2.0: 1.0 DTS-HD-MA [English] (1980 16mm mono mix)
More info on the mono mix is at: http://originaltrilogy.com/forum/topic.cfm/Empire-Strikes-Back-mono-mix-GOUT-sync-Comparison-MP3-READ-1st-POST-FOR-INFO/post/657322/