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Old 17th September 2006, 05:13 PM   #1
rsbay is offline rsbay  Germany
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Default Differences between X0 and X0.2


what is the difference between the two famous preamplifiers X0 and X0.2.
On the passlabs Homepage you can read about changes in the power
supply. Are there any other differences ?


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Old 18th September 2006, 06:54 PM   #2
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The differences are mostly in the power supply, with some
small component and layout changes to the analog section.
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Old 27th March 2010, 03:40 PM   #3
cdfr is offline cdfr  United States
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Location: Seattle
I have a Pass X0 since 1999 or 2000 which I still love but I was tempted to upgrade it to X0.2 status.
Does anyone have more information about the changes between the two?

I think that the power supply stage might have 10,000uF caps instead of 1,000uF. Is it the only change, what caps would be suited?
I also noted that the power supply stage was using LM78xx/79xx, would'nt using quieter LM317/337 provide improvements?
How about something nuts like batteries Click the image to open in full size. . I just started using batteries from my Airport Express modification and it provided stuning results.

As for the preamp stages, are there any changes to the board or just some component upgrades? (which?)

Any input would be appreciated.
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