multiple speakers interconnect

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 Question by marc gabel posted 20 Jan 2006
 multiple speakers interconnect
I am installing multiple in wall and ceiling speakers for a new home stereo system (16 in total) in various rooms. Several rooms will have independent volume controls. All will connect to a multiple button "speaker switch box", where some can be turned off etc. This then connects to the AMP and sytem All/ Each distance to the switch box are approximately 25 feet-- my questions is the optimal wiring diagram for this, and cable type.
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 Answer by Joseph Golan posted 20 Jan 2006
Dear Marc,

Even though you do not specify, I will assume that you are running a low impedance system at either 4, 8 or 16 ohms. At low impedances for the distances you listed I would recommend at a minimum use of 18 AWG wire for the runs. This should negate to a reasonable point losses normally seen with these systems. It is not required to use shielded cabling but use of a twisted pair cable will be beneficial over a zip-cord type cable.

Sincerely,
Joseph Golan, RCDD

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