Monitors for rear wall placement and low volume


I was just about to pull the trigger on some Spendor S3/5 for a friend. I felt these, used, would be the best bang for the buck, and would be OK if placed near a rear wall.

Then, I read that they weren't very good at low volumes, and his listening will mostly be done at low to medium volumes.

Should I forget the Spendors? try something else? or do you think the S3/5 would be OK?
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Speakers that work well near a rear wall at low volume are:

1. Neat Petites
2. Linn Tukans, Linn Kans, (Linn speakers in general)
3. AVI Neutrons
4. North Acoustics Spirit

Trust me on this ;}