The AZs may be relatively inefficient, but with a pretty flat 6ohm impedence, they are indeed, tube friendly. My 22watt 845 SET sounds truly excellent with them. The best sound I have experienced, in my modest system.
Ive heard the Adaigio but havent heard Devore 8s. Have heard good qualities about the Devore 8s. The adagio is a serious speaker for the money. Under 4300 for the adagio. I heard them at RMAF 07 as they were driven by Halcros latest gear. There is also a write up about them in the Absolute Sound June/July 06. I think the reviewer used what he had on hand which was Musical Fidelity KW500 and MF CD Player. They do love power and not sure if the rogue amp you are refering, will be enough power. Also take a look at stereo times. There's a review about a mod thats done by Reference Audio Mods in Ny on the adagio. I believe its called Adagio Extreme Modification.
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