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New Pass Labs X.5 series versus previous X series

Pass Labs is in the process of re-dedesigning their entire X series into the new X.5 series. As of this writing X150.5, X250.5 and possibly X350.5 are already shipping. The X600.5 are expected to start shipping early in the new year. This thread is to discuss experiences with the new amps, their sound signature, perceivable improvements over the old series, and of course dissenting opinions. Everyone's perspective is welcome--X and X.5 owners, X.5 window shoppers, Dealers, and all other audiogoners with a passion for affect by the bug of audiophilia.
guidocorona

Showing 1 response by jameswei

jameswei
883 posts
 
Do we know what is changed in the circuitry?

I can GUESS that X.5 series should have a sound somewhere between the X series and the Aleph series, actually probably between the X series and the XA series. Somewhat smoother and more liquid than the X series, but not as much so as the XA's. I haven't heard them yet though.
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