Pass XA30.5
I have been using the Pass XA 30.5 with my Spires and couldn't be happier. I have tried both Jeff Rowland solid-state amps and a few tube ones, but none of them drive the Spires nearly as good as the XA 30.5 Don't let the low power rating (30W 8ohm, 60W 4ohm) scare you away, it...