You should be able to find a used CREEK EVO 100A for ~$1000 (or less). I used one with Joseph RM25XL speakers and now with the "bit power hungry" Magnepan LRS+. The amp/speaker combo is great with either combination. Some reviews follow.
https://www.theabsolutesound.com/articles/creek-evolution-100a
http://www.hifi-review.net/37-creek-evolution-100a.html
https://www.stereophile.com/content/creek-evolution-100a-integrated-amplifier
https://www.hifipig.com/creek-evolution-100cd-cd-player-and-100p-power-amp/
(the power amp is also what you get in the integrated version)
https://www.hifipig.com/thats-all-folks/
(photo of Creek 100A driving a set of Harbeths)