Hi timintexas! Your amp is probably clipping and the Maggies will reveal that to you by sounding awful. They are unfogiving of poor input signals. The Maggies are a straight, low impedance load. Not many amps can really feed a flat 4 ohm load. Depending on which model you have, the Maggies may be closer to 3 ohms. Check you amp's ratings. If the power into 4 ohms is NOT double the power into 8 ohms, the amp may have a problem with the Maggies. Maggies are not efficient by any stretch of the imagination. Most commercial speakers run around 86 db sensitivity (spl). Maggies are closer to 80 db.; too bad, but pretty close to true. That means they need about four times the power than the average speaker. Watch the meters on a tape deck while playing music. Watch for a difference of 10 db between various musical passages. That difference requires a 10X power increase from your power amp. A real peak can easily require 20 db more "juice." That's 100 X the power for an instantaneous burst of sound. Suppose you amp is running along nicely at 8 watts, that should be getting close to "loud" on a average system. Somebody hits a drum, blasts a trumpet, or knocks over a chair and you need 800 watts for that 20 db bump! Ouch! That's why people have huge wattage amps. 200 watts is only 3db (the smallest difference in loudness the average person can hear) louder than 100 watts, which is only 3 db louder than 50 watts, which is only . . . etc., until you realize that 200 watts is only 20 db lounder than 2 watts! Watch those meters again - 20 db sounds only about 3 times louder to the ear. Suddenly, you realize what all the talk about amplifier headroom is all about. An amp, frequently asked for higher power than it is comfortably provide, is going to sound bad. Period. You have seen reviews quietly mentioning that you need a serious amp for Maggies. They will never sound dynamic and smack you in the chest when the cannons go off in the 1812 Oveture, but - with the right amp - they will give you detail and clarity that few other speakers can approach.
Now you can understand why some folks are so enthusiastic about high efficiency speakers! A speaker with a 100db spl (Zu Audio, Klipsh, and a few more - not many) rating needs only one one-hundreth ( yes, 1/100th) of the power that Maggies need! Those speakers are owned by the guys with the 9 watt (or even less) tube amps! Put one of those speakers on your 200 watt amp and you will get absolutely awesome dynamics! Happy Listening!