Overall i have to patiently tweak and find the best matching gain levels between my MAC C49 preamp and Parasound A21+ amp.
Here is a thread found in AVS Forum, members were also discussing the similar topic : https://www.avsforum.com/threads/parasound-owners-thread.1122095/page-332
Here is a thread found in AVS Forum, members were also discussing the similar topic : https://www.avsforum.com/threads/parasound-owners-thread.1122095/page-332