Pass Labs vs. Sugden


Has anyone had the chance to compare Pass Labs with Sugden? Any apples to apples comparisons -- amp to amp, integrated to integrated, etc.?

Been reading and seeing articles on Sugden, but in the States and on this forum, Pass Labs dominates. Is that because Sugden sells mainly overseas or is there a real basis in how they're made, sound, etc. Interested in sonic and bang-for-buck opinions if you have had experience.
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@goldprintaudio  
Is there a Sugden amp or integrated you’d recommend for a Klipsch Heritage line speaker like the Forte III?
@t_ramey 
I would look at the IA4 or ANV-50 on the integrated side (maybe even the A21SE).  
I have the A21se sig. and have driven Klipsch RP600m speakers , as well as JMR Bliss Silvers, Rogers LS3/5a and Vandy Treo CT’s.  It has produced rich, deep, holographic sound with all of them.  I don’t think you can go wrong with Sugden.  
Interesting.  Sugden A21se Signature: 30W into 8, 40W into 4.
Vandersteen Treo CT: sensitivity 85dB; nominal 6 ohms.