The "SR" edition stands for "Sound Remaster".
It is a copy of the original "Tribulation" movie but with remastered soundtrack.

Check youtube demo:
https://www.youtube.com/watch?v=KmA-2m935X8



Download full movie with some extras via torrent:
https://drive.google.com/file/d/1xgpRR49yCr9X...sp=sharing

The new soundtrack has same content (tracklist and effects) as the original one but has better quality of sound and mixing.
Video part of this edition is a "direct stream copy" from the original movie.
It is not altered in any way, no content changed, not re-encoded.

The "SR" edition specs:

Video: MPEG-4 (DivX), 640x480, 30 fps
Audio: FLAC, 44100 Hz, stereo, 24 bit