Maybe the mids are less forward because the bass is more prominent.

When a speaker's high frequency response is flat or exaggerated, a reflective room will make the speaker sound thinner. If you look at the active LFR response, it declines in a textbook fashion and it sounds spectacular in a room. The old tweeters and family of curves don't help either.

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated