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XLR vs AT&T st type glass? help

Hello
My Transport has 4 different outputs. I want help in chosing the one that will be best. The XLR output is 110-ohm 4V p-p and the AT&T ST glass is -12dBm, 875nm,62.5/125um fibers I don't know what the AT&T means please help me understand is the AT&T going to give me better sound quality or the XLR? please help. My dac has XLR and AT&T Thanks
harnellt
jfrech's avatar
jfrech
1,816 posts
 
If it's a Wadia they recommend the AT$T glass as the highest performance with XLR next. Not sure if other mfg's feel the same...
peterb
108 posts
 
Both formats can give excellent results, I used both in the past. AT&T is optical, very fast and transparent and the best XLR cables can be a bit less sterile and more involving.
You really have to try, because there is no fast rule.
It will depend on the components and your taste.
unclejeff
1,313 posts
 
Try both and go with what sounds best.
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