AVS Special Member
Join Date: Jun 2005
Location: Northern, VA - Washington, DC
Mentioned: 2 Post(s)
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1.25" conduit is my recommendation. 2" gets very thick in the walls and really is overkill for rack to display single run locations and produces some really sucky bends to deal with. 1.25" or 1.5" is excellent, with my preference being 1.25" for a nice balance of room and flexibility for installation.
Great that you have Cat-6 already, and 3 runs to each location is a great safeguard for the future as is the conduit. HDMI cable should be fine for almost all viewing with 35' runs. I've personally done runs at 50' and 75' without issue using Monoprice standard 22AWG cabling. It works well and is priced well, but is thick and heavy to use.
HDMI is designed around one TV in one local location. So, the longer stuff has always been a headache. HDBaseT solves all of this and works really well for pretty much everything.
You can get a two-zone HDMI receiver like those from Yamaha or Denon to handle some of your dual zone needs, but you likely will lose surround sound in one location if it is on in the other at the same time. Go figure.
Good luck with your setup, it should be awesome.
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