If Maggies are in your future the options become much more limited. You would need high current and high quality. Few amps have the power current and tubey signature you are looking for and which definitely would be a plus for driving a Magnepan speaker. The Parasound A21 and the later Sunfire amps are easy recommendations
Keeping with Rogue. The Rogue Pharaoh and the tube Zeus (if you use subwoofers) or Apollo (usable without subs) though way out of your budget even used. The Pharaoh is actually the best idea to meet all your requirements and be able to drive a maggie.
Older Class A and high bias A/B amps from Classe (DR-9) Threshold, Levinson, and Haffler 9500 and XL600. May need to be recapped eventually.
There are great classic tube preamps that can be modernized at reasonable cost to bring them to competing with the best of the current offerings in the $5k-10k range. Among my favorites Melos MA333 stack (any version - particularly the phono stage) and the SHA Gold particularly with Maestro or Reference upgrades. The Melos don't need an update. Bruce Moore designs from Audible Illusions Dual Mono, Saturn Uranus (less so the Modulus 3), the MFA Lumiinescense and Magus, and the Paragon.
In the DIY range look for the Herran design - best executed with separate filament power supplies.
Opportunities in the CAT CJ and ARC preamps are also worthwhile.
The Chinese Doge 8 hybrid and the Ming Da MC7 and
yaquin 12B (requires some mods to bring it to top notch performance but still impressive in stock form) Tube complement is very important for these preamps from China.
Keeping with Rogue. The Rogue Pharaoh and the tube Zeus (if you use subwoofers) or Apollo (usable without subs) though way out of your budget even used. The Pharaoh is actually the best idea to meet all your requirements and be able to drive a maggie.
Older Class A and high bias A/B amps from Classe (DR-9) Threshold, Levinson, and Haffler 9500 and XL600. May need to be recapped eventually.
There are great classic tube preamps that can be modernized at reasonable cost to bring them to competing with the best of the current offerings in the $5k-10k range. Among my favorites Melos MA333 stack (any version - particularly the phono stage) and the SHA Gold particularly with Maestro or Reference upgrades. The Melos don't need an update. Bruce Moore designs from Audible Illusions Dual Mono, Saturn Uranus (less so the Modulus 3), the MFA Lumiinescense and Magus, and the Paragon.
In the DIY range look for the Herran design - best executed with separate filament power supplies.
Opportunities in the CAT CJ and ARC preamps are also worthwhile.
The Chinese Doge 8 hybrid and the Ming Da MC7 and
yaquin 12B (requires some mods to bring it to top notch performance but still impressive in stock form) Tube complement is very important for these preamps from China.