IMHO, the difference between the XA60.5 to the XA100.5 in terms of wattage/headroom is not worth the change. If you went to perhaps the XA160.5, there would be definite benefits.
Personally, I like the match between a Rowland preamp (Capri) and Pass Lab/Threshold amps (X5, Aleph 2, SA/6e).
Personally, I like the match between a Rowland preamp (Capri) and Pass Lab/Threshold amps (X5, Aleph 2, SA/6e).