Breaking-in a Pass Amp


Just got a Pass X150.5 power amp and will be running it constantly for 4-5 days before I listen to evaluate it critically. Out of the box 2-3 hours it's Ok but nothing exciting - good detail and opennness and very dynamic yet tonally bland, limited transparency, a bit sterile and not very involving.
What changes can I expect over time with "X" series amps and how long for them to reach their potential.
They are being driven my a McIntosh c2200 tube preamp and are powering VonSchweikert VR4JR speakers.
Thanks for your comments and suggestions.
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Showing 1 response by glenfihi

No suggestions, but what a nice system you will have to listen too and bring in Christmas and the New Year. Let us know when you feel the amps have broken in and are sounding palatable.