The CODA 5.5 cannot drive either of my speakers. I got that info from Doug Dale, main guy at CODA. My Yamaha NS5000 likes power to sound their best and so did my old Magnepan LRS+. I was thinking of the 5.5 monos for the LRS+ or NS5000.
I tried my current Magnepan Mini with the Schitt Aegir mono’s (sort of similar to the 5.5) and it was too underpowered (terrible bass).
I get the idea of getting an amp before speakers. I bought the Mini because I had the Sanders Magtech amp in the house and that amp is perfect for Maggies.
With the 5.5 get a relatively efficient speaker.