Quote Originally Posted by Luvin Da Blues View Post
Generally the rear channels have longer runs so they would require larger (less resistance) wire to equal the resistance of the shorter front channels.
For simpler routing of the cable around door frames, fireplace, etc., I use 24 gauge (gasp!) to the rears. Any level difference, however, can easily be adjusted by the processor. As it turns out, I typically attenuate the rears a couple dB anyway.

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