I have owned multiple Maggies from the SMGa to the 3.5, which I still have. Maggies are not an “accurate” speaker. What they are is a very musical speaker that people either tend to love and stick with or be ambivolent about. Without listening, you really won’t know, as their sound signature is unique.
I caution you against getting caught up in “accurate/flat” in looking for speakers. There is no completely flat and accurate speaker and those that are closest (i.e. real studio monitors) tend to make most music sound pretty bad, as most is mixed poorly. You are far better off finding speakers you like the sound of than worrying about “accuracy”,
You make no mention of the rest of your component plans. Your amplifier needs to work well with your speakers. Maggies need a good amount of power and your receiver will not provide it. The Mirages you have are a good speaker, but are also very insensitive (82.5 db/w) plus their impedence drops to 5 ohms in the bass. As such you are not getting the best from them and I suspect some of the shortcomings you are finding come from your front end.
If it were me, I would start from the other direction, Source, Dac, preamp, and amp. Emotiva and Schiit both make excellent products for fair prices, or with research, good deals abound on the used market. I would look at investing $1500-3000 in your front end before buying speakers. $500 in room treatments can also make an amazing difference (look at GIK Acoustics).
I caution you against getting caught up in “accurate/flat” in looking for speakers. There is no completely flat and accurate speaker and those that are closest (i.e. real studio monitors) tend to make most music sound pretty bad, as most is mixed poorly. You are far better off finding speakers you like the sound of than worrying about “accuracy”,
You make no mention of the rest of your component plans. Your amplifier needs to work well with your speakers. Maggies need a good amount of power and your receiver will not provide it. The Mirages you have are a good speaker, but are also very insensitive (82.5 db/w) plus their impedence drops to 5 ohms in the bass. As such you are not getting the best from them and I suspect some of the shortcomings you are finding come from your front end.
If it were me, I would start from the other direction, Source, Dac, preamp, and amp. Emotiva and Schiit both make excellent products for fair prices, or with research, good deals abound on the used market. I would look at investing $1500-3000 in your front end before buying speakers. $500 in room treatments can also make an amazing difference (look at GIK Acoustics).