will an upgrade of my Pass X250 amp to a pair of Pass XA60.5 is more of the same (I'm enough with 60w class A of power) or a totally different league ?
totally different league. The X250 will probably play louder but the XA60.5 will sound much better. If you have a X250.5 not a X250.5 you will have two jumps in quality of sound!
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