I have heard the C-50 and it is fast and musical as you have read.
Please message me for more details.
Anyone heard Resolution Audio Cantata C-50 amp ?
The C-50 is the new more powerful version of the OPUS 21 s30 amp.
Reviews say that it is very fast and musical (DNM like) but dont state if the sound is on the warm or cold side.
I am looking for a fast and warm SS amp with zero or low negative feedback for 6 Ohm average / 4 Ohm minimum / 89dB accuton ceramic driver based speakers.