I have a pair of Wilson Cub II and they can go against the wall, or even in the wall. They are also front ported. The Cubs are an amazing sounding speaker.
Living in NYC, I had the same issue. Found that Linn designs all their speakers to be placed fairly close to the wall. I bought the 5140s, and I love them. Company docs say to place them 18 inches or closer to wall. Good luck.
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