Not directly. I had a Bryston here for a while, it's a nice amp for sure. Not absolute top class imho, but still very nice. Reminds me of their DAC - very nice, maybe not the best available but definitely enjoyable. Plus the crazy warranty and nice build quality are very welcome.
Based on memory, the BHA-1 is not as transparent overall. The CMA800 digs out more detail and therefore seems more accurate. Bryston is good in that area but not among the best I've heard.