I dislike my Magnepan 3.7's because I bought them about a year before the 20.7's came out. Now, I may have to sell my 3.7's to Elizabeth so I can get the 20.7's. OK, I love my Maggies, so I probably shouldn't answer, but here goes anyway.
Photon, I'd love to stand next to tympani or bass drum, but in Indianapolis they make people sit in the seats during concerts. I'm pretty sure I would get booted if I tried to stroll through the orchestra during a performance. My point is that I want my music to sound (or feel) like what I get in a concert hall, 100-200 feet from the percussion. The physical feel of a 25 hz tone is something I have never felt in an actual concert setting. Now, for a rock concert, that may be a different story. I would accept the comment above that maggies may not be a good rock speaker. I recently added a sub to my system, and I do enjoy what it adds to organ, tuba, double bass etc. But I have to say, it is a little surprising just how little help the 3.7's actually require, even though they fall off rapidly below 40hz in my room.
Photon, I'd love to stand next to tympani or bass drum, but in Indianapolis they make people sit in the seats during concerts. I'm pretty sure I would get booted if I tried to stroll through the orchestra during a performance. My point is that I want my music to sound (or feel) like what I get in a concert hall, 100-200 feet from the percussion. The physical feel of a 25 hz tone is something I have never felt in an actual concert setting. Now, for a rock concert, that may be a different story. I would accept the comment above that maggies may not be a good rock speaker. I recently added a sub to my system, and I do enjoy what it adds to organ, tuba, double bass etc. But I have to say, it is a little surprising just how little help the 3.7's actually require, even though they fall off rapidly below 40hz in my room.