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Surround sound wiring question

by bmoss2k5 / February 27, 2005 1:36 AM PST

Hello,

I just moved into a new place the is "pre-wired for home theater" but it only has two wire jacks running to the rear and I have a 6.1 system.

Does anyone know of a component or method to basically convert the 3 rear channels into one signal to run across the in wall wire then split back out properly on the other end? Any kind of a converter or wiring harness that would accomplish this?

Any help would be greatly appreciated.

Thanks in advace!

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in a nutshell
by 3luke3 / February 27, 2005 10:22 AM PST

no. You must have interesting limitations on wiring though... because how are you going to get a wire to that rear center speaker anyways if you can't get one from the receiver to it to start with?

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a bit more info...
by bmoss2k5 / February 27, 2005 10:38 AM PST
In reply to: in a nutshell

There are two wires in the wall, one for surround left and one for surround right. It is a rental so I am really trying to avoid cutting the wall or carpet but really want all of my 6.1 system. Sad

To clarify a bit, I am wondering if there is a component that I could connect all 3 three SR, SL, and SC channels into one then into one of the in wall cables, on the other end have an opposite/matched device that would split it back out to all 3 channels.

My attempt at an Ascii drawing below...

Out from Rec......In.Wall.........Behind seating
SL---------\**********************/----------SL
SC---------->------------------------<-----------SC
SR---------/**********************\----------SR

*'s = no wire
-'s = wire

Keeping my fingers crossed Happy

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hmmm
by 3luke3 / February 27, 2005 10:52 AM PST
In reply to: a bit more info...

Having an EE background... I know that that is definitely humanly possible. 2 of the signals would probably have to be modulated at different frequencies (probably higher ones so as to retain all the info), added together, transmitted, & then modulated back down after they are split. However... I don't know the signal limitations of regular speaker wire & I also don't know of any commercial product that does this.
Let me suggest an alternate approach for you, even though you probably have already considered it. Since you would need this extra "device" at the output of this single "miracle wire" & then 2 more wires going to the other 2 rear speakers...
why not just run an additional wire back to the rear center? If you really HAVE to hide it, maybe you could get a snake. Its a simple "tool" that helps you wire behind walls & you'd be amazed what you could do if you would just pry back the baseboard (the trim that hugs the carpet) a little bit on either end. If its strong enough & you move all the furniture away... you can also run snakes underneath carpet.

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Thanks
by bmoss2k5 / February 27, 2005 12:18 PM PST
In reply to: hmmm

I guess i might have to try the snake route, i have thought about trying to pull one of the existing wires out of the wall and pull 2 new ones in its place for a total of 3 in wall wires but haven't investigated that option to far yet.

Thanks for your info. i will keep digging

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But be careful.
by Art / February 28, 2005 3:14 AM PST
In reply to: Thanks

If I were the one putting up the original wirings, I may have tack those lines along the way.

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Surround wiring
by HTHMAN / February 27, 2005 1:37 PM PST

Have you tried to use the existing wires to pull new wires through the wall. Attach 2 sets to be pulled to the existing wire and attempt to pull all the way through the wall. May work if the wire was not stapled to a stud. You could also drill a hole in wall near ceiling, drop a wire down inside wall and fish it out. Run wire along ceiling/wall edge and hide with crown molding. This worked for me.

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