Hmm. On my Nucleus+ I think DSD files play faster on 1.8. I don’t go DSD native to my chord gear (Dave/Blu and Hugo TT2/mScaler) so have to do PCM conversion and in my Dave/Blu zone am also running a convolution filter for room correction so this puts more load on the system and with all this I’m not seeing anything less than 5x with DSD 512 files now which for me is better with 1.8 than with 1.7…