I would try it. Small rooms can take a lot of bass output provided the speakers are positioned well. The room is not square so that's a very good start.
I have had a lot of luck with Cardas placement here:
http://www.cardas.com/content.php?area=insights&content_id=26&pagestring=Room+Setup
I have had a lot of luck with Cardas placement here:
http://www.cardas.com/content.php?area=insights&content_id=26&pagestring=Room+Setup