Really Long XLR

@lalitk Right now I have narrowed it down to two cables. 

1. Audio Envy O’nestian for $1250.  They are using OCC copper and the cables appear to be very well constructed.  Maybe the best I have seen at this price.

2. Gotham Audio XLR Cable, GAC-2 Ultra Pro, 10561 for $380.  this cable ships from Germany and uses LCOF Copper, which is in between CFC and OCC.  If you believe that single crystal copper actually improves the sound, then you pay the extra $800.  The jury is still out on that one.  

The Gotham cable appears to be just as well constructed as the Audio Envy.  The difference is really the copper.  

https://www.gothamcable.com/en/gothamcables/balancedanalog/10561gac2ultrapro

@bigtwin

No direct experience with Gotham Audio. It appears 10561 GAC2 designed for microphones in professional applications. If you are pursuing Gotham Audio, look into the GAC-3 10701 designed for audio. Everything I read, points to professional audio applications. 

https://www.gothamcable.com/en/gothamcables/madeupleads/xlr3conductorlead/neumann10701

@lalitk Thanks for that.  I believe the terms "microphone" and XLR are used to mean the same thing?  The 10561 used the braided copper shielding as the ground on the XLR connector.  I think this is quite standard?  Both the 10561 and the 10701 use XLR connectors. 

@bigtwin I tried that maneuver and used Mogami Studio Gold XLRs. After about a month I moved everything back. The aesthetic improvement wasn’t worth the loss in sonics compared to my then XLRs, Acoustic Zen Absolute Copper. 
Don’t do cheap cables - you get what you pay for. Since you’re entertaining building your own cables, look into Neotech and use top notch connectors (Rhodium or Gold). Check out Sonic Craft for Neotech. Also, VH Audio has Furutech cables and connectors…worth looking into. 

I use Mogami cables everywhere in both my HT and 2 ch tube system. I bought 250’ from Redco. They can custom make any cable you like, if don’t fancy soldering your self a set. 4-5 week’s delivery time. Redco dot com.