Amp Pairing for Acoustic Zen Adagio Jrs?

I recently purchased a pair of AZ Adagio Jrs and am looking to upgrade my current amplifier (Bel Canto REF 1000s). I have a small listening room (8 x 12) and listen mostly to folk/country/rock/pop/blues rather than jazz/classical. I'm considering anything (solid state/tubes/hybrid) that people have found pair well. I don't, at the moment, use a preamp and instead have a digital source with DAC connected directly into the monos. Thanks for any recs. -- jf