Polk Audio RC55i DIY In-Ceiling and In-Wall Installation Guide - Page 5

Scenario 3 The speakers will be installed in the ceiling for music in the kitchen utilizing a volume control on the wall to adjust the volume to the speakers. From amplifier to Volume control Volume control Speakers Planning Your Cable Routes NOTE: In a stereo installation the cable length to each speaker within a room should be about the same to avoid volume or time shifts from channel to channel. In home theater installations the cable lengths for Front Left, Center and Right channels should be about the same. The cable lengths to the rear speakers will in most cases be longer than those to the front three speakers and that's OK. Whenever possible take advantage of attic and crawl spaces as it is much easier to run cables through them than walls. Section 3:Checking For Obstacles Before Installation Speaker placement research: Once you have a good idea about where you want to install your new Polk speakers, we suggest you check out the space just to make sure there is enough room for the speakers. When your home was built the contractors ran gas piping, air ducts, drain and water pipes, electrical, phone and data cables. Also check that the placement of the speakers will be symmetrical once you have established where the joists and studs are: Note the location of all studs using your stud sensor. In this room there are three cable runs, the first is two sets of speaker cables that run from the amplifier or receiver to the volume control on the wall, then another run of speaker cables to each speaker. Volume control with face plate: Rear view of a typical volume control: Use a stud finder to locate structural members inside the walls and ceiling. input from amplifier DIY CI Tutorial 5