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Elite Shackster , HTS Moderator Emeritus
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2,216 Posts
18AWG is a little small, but for surrounds, that short of a run, and a pretty beefy amp, I think you are okay.

I don't know the specs on those Klipsch speakers, but they are usually pretty efficient as well.

Good luck and welcome to the Shack!
 

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Elite Shackster , HTS Moderator Emeritus
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2,216 Posts
I'd say 50', 16 AWG as a bare minimum. I'm running 14AWG to all my speakers. Some 50', some 30', the fronts only 15' or so (with all the in-wall bends and such).

Overall efficiency and wattage factor in too. If I was running horribly inefficient speakers I'd bump it up a gauge. If you really crank the volume up all the time with full range speakers, I'd bump it up a gauge as well.

But for efficient, partial range, at 35' you are fine.
 
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