Human-Audio "Tabla Pico": LiFePO4 battery powered USB to coax async transport: Impressive!

Jun 15, 2012 at 3:06 PM Post #16 of 20
Sorry to hijack the thread but Stello U3 arrived today. First impressions are very positive. I'll keep you updated.
 
Jul 31, 2012 at 12:00 AM Post #19 of 20
Quote:
 
I briefly tried the Hiface2, and I really hated it....trebles were very shrill and colored, unbearable. It's not really surprising when you realize that the Hiface2 is following the XMOS datasheet and has a SC4626A SMPS controller from Semtech which has a working freq of
2.5MHz(http://www.semtech.com/images/datasheet/sc4626.pdf) feeding the XMOS chip itself. We all know how colored SMPS sound like.
 
Yep, I've read about the U2.......I couldn't find any info about the ppm rating of the clocks, and I couldn't locate any review either. And it's USB powered anyway, that'll never be quite as clean as battery power 
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LOL:)))))
 
I love your theorizing about how things work.  
 
Jul 31, 2012 at 7:39 AM Post #20 of 20
Quote:
I love your theorizing about how things work.  

 
The PurePower thingie wasn't available when I wrote this, and it comes at $1K IIRC. It's still partly USB powered BTW 
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What I said about the Hiface2 is very real, and I did try it on my own rig: http://www.imagebam.com/gallery/rp8pbnkmb99fg7ukarkowir6ty1i6od1/
 

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