I can only address the McIntosh vs. Krell.
Years ago I had two 2105's driving a double set of AR-LST's (Cello Amati's). I had this configuration for many, many years. I then bought the Krell KST-100 when it first came out. That one little amp blew away the pair of Mc's.
Hope this helps,
Richard
Years ago I had two 2105's driving a double set of AR-LST's (Cello Amati's). I had this configuration for many, many years. I then bought the Krell KST-100 when it first came out. That one little amp blew away the pair of Mc's.
Hope this helps,
Richard