Hey Al,
Truth be told, I never turn off SS amps including the XA-25, except if I'm going on a long trip. Yes, the XA-25 comes mainly back on song after about a hour. However, to get to the pristine level of performance it can offer takes a lot more time in my experience.
I had a pair of Threshold SA-1 mono-blocks that remained turned on for close to 20 years and the caps were still good and going strong. I believe that my never turning off the amps the caps last longer and are less likely to dry out.
Truth be told, I never turn off SS amps including the XA-25, except if I'm going on a long trip. Yes, the XA-25 comes mainly back on song after about a hour. However, to get to the pristine level of performance it can offer takes a lot more time in my experience.
I had a pair of Threshold SA-1 mono-blocks that remained turned on for close to 20 years and the caps were still good and going strong. I believe that my never turning off the amps the caps last longer and are less likely to dry out.