I have a set of smaller Maggies in a second system that I replaced amplification for about a year ago. I did mucho auditioning and will give you my impressions.
1) Rotel 1080 was precluded because it doesn't like low impedance loads.
2) Adcom amps struck me as having a bright top end, not to my liking.
3) NAD 218 has a solid bottom end, but not as much detail in the high frequencies.
4) Parasound HCA 1500A has great mids and smooth and detailed top end, but a little soft in the bottom registers.
5) I've not auditioned the Hafler 9505, but the amp I replaced was a 20 year old DH200 still in fine working order. I do like the Hafler sound.
I chose the Parasound and have been pleased with it.
P.S. Regarding bridging, I ruled it out as bridged amps don't do well into low impedance loads and bass can get sloppy. I would consider two amps in vertical biamp over bridged mode. Two NAD 218's or Parasound 1500A's can be had used in the neighborhood of $1,000 total.
1) Rotel 1080 was precluded because it doesn't like low impedance loads.
2) Adcom amps struck me as having a bright top end, not to my liking.
3) NAD 218 has a solid bottom end, but not as much detail in the high frequencies.
4) Parasound HCA 1500A has great mids and smooth and detailed top end, but a little soft in the bottom registers.
5) I've not auditioned the Hafler 9505, but the amp I replaced was a 20 year old DH200 still in fine working order. I do like the Hafler sound.
I chose the Parasound and have been pleased with it.
P.S. Regarding bridging, I ruled it out as bridged amps don't do well into low impedance loads and bass can get sloppy. I would consider two amps in vertical biamp over bridged mode. Two NAD 218's or Parasound 1500A's can be had used in the neighborhood of $1,000 total.