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 Post subject: Flat speaker wire?
PostPosted: Nov Sun 10, 2019 12:05 am 
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Location: 44035 (Near Cleveland Ohio)
I've been looking at "flat" speaker wire to run under about 5' of carpet. The "ghost" wire uses a flat copper ribbon, is adhesive backed, and terminates in standard lug connectors. Anyone have any recommendations? I only need a few feet; standard zip cord will suffice for the remaining hidden runs.

Dan


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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Sun 10, 2019 1:03 am 
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Would 300 Ohm flat twin-lead work?


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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Sun 10, 2019 2:09 am 
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See if this is similar to what you want: https://www.parts-express.com/cat/flat- ... -wire/1619
But it is not adhesive back it does not seem. I have seen what you describe somewhere but in the past, so sticky back ribbon speaker wire may be a problem.

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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Sun 10, 2019 9:22 pm 
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I made mine out of 3M copper foil tape and very wide Christmas wrapping ribbon. We had low nap carpet and that's the only thing that wouldn't show through.


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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Sun 10, 2019 9:54 pm 
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Mike Toon wrote:
Would 300 Ohm flat twin-lead work?

That's a good idea; wire is wire. Nothing spechul here.

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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Mon 11, 2019 8:03 am 
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Apply two lengths of this to another tape or ribbon as macrohenry suggests. Plenty here to do the job, 36 yards! https://www.sciplus.com/conductive-copper-tape-63233-p

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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Tue 12, 2019 10:02 pm 
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Mike Toon wrote:
Would 300 Ohm flat twin-lead work?
Yes, and it won't ruck up if the carpet does not move.
Cheers,
Roger

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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Tue 12, 2019 10:59 pm 
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I would not run much power thru 300 ohm twinlead because of the small gage and also the added series resistance if very long. And the conductors would be easily broken if any stress put on them.

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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Wed 13, 2019 9:11 pm 
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Thanks for the tips and links - - I appreciate your help. I stumbled upon this stuff, and figured it would be worth a try. One under-carpet run is a bit tricky; I have bell wire under there now (old, OLD bell wire, and the insulation's crumbling), and can use it for pulling the new stuff through. I do like the copper foil idea. I'd used it to repair stained glass many moons ago, and I'd completely forgotten about it.

The seller accepted $7 for 2-50' rolls, with $8 shipping; I don't know how they can do it for the price, but who am I to question a good deal?

https://www.ebay.com/itm/2-50ft-Reels-R ... 2749.l2649

Dan


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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Thu 14, 2019 12:14 am 
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wazz wrote:
I would not run much power thru 300 ohm twinlead because of the small gage and also the added series resistance if very long. And the conductors would be easily broken if any stress put on them.
Quite right... I should have said "keep it short".
Cheers,
Roger

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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Thu 14, 2019 12:40 am 
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you can cryogenically treat the 300 ohm twin lead, which will not only align the molecules for superhuman strength, but also make the highs higher, the lows lower, and the spatial geometry more ..... geometric. Or more spatial, I forget which now ... it may also act as a WOW!!! filter. WOW!

Oh wait, this isn't an audio website???? never mind........;-)

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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Thu 14, 2019 1:40 am 
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^^^ make sure the twin lead is oxygen free copper for best sonics.


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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Thu 14, 2019 10:49 am 
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Location: Powell River BC Canada
Sorry to be worry wart but under carpet wiring has a big *ugly* rule dog
standing guard.

In Canada rule 60-326 d says communication flat cable type CFC is
prohibited in dwelling units.



WHAT ? That darned book is 900 plus pages long.

(I'll go back o sleep now) :D

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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Fri 15, 2019 9:25 pm 
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Scott wrote:
^^^ make sure the twin lead is oxygen free copper for best sonics.


Actually, it does say oxygen free on the label. Maybe I should snag 500 feet, carefully cut it in custom lengths with ceramic dikes, and ship it in sealed nitrogen filled bags. Wrapped in foil, of course. What a great way to boost my retirement income! Thanks for the idea. :lol:

Dan


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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Fri 15, 2019 9:32 pm 
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radiotechnician wrote:
Sorry to be worry wart but under carpet wiring has a big *ugly* rule dog
standing guard.

In Canada rule 60-326 d says communication flat cable type CFC is
prohibited in dwelling units.



WHAT ? That darned book is 900 plus pages long.

(I'll go back o sleep now) :D


You northerners need to live life more on the edge! The vicarious thrill of running speaker wire under 6 feet of carpeting has set me all aquifer. . .even my wife is positively giddy at the very thought :lol: :lol: :lol:

Dan


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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Fri 15, 2019 9:37 pm 
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Location: Sunbury, Ohio 43074
While you're at it, how about running some 1/4" polypropylene tubing on a 4" grid, and run heated water through it ?? ;-)

....just a thought......

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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Fri 15, 2019 9:50 pm 
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Barry H Bennett wrote:
While you're at it, how about running some 1/4" polypropylene tubing on a 4" grid, and run heated water through it ?? ;-)

....just a thought......


Barry - - the house I grew up in had radiant heat in the terrazzo floors, but it was 1" steel tubing on 12" centers. It was absolutely wonderful; completely silent, and 72 degrees indoors when it was 0 outside. The bathtub and shower floor was always warm, as were your shoes and boots in the winter. My father was an architect, and a big fan of Frank Lloyd Wright designs; he designed a budget-conscious version of one of Wright's houses. Unfortunately, the tubing failed after 60 years; it was gas-welded together, and the lime in the cement rotted away the welds. After my mother passed, the house & acreage was sold, and they tore the house down to make room for a McMansion subdivision. Very sad to say the least.

Dan


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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Sat 16, 2019 2:30 am 
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Joined: Sep Thu 23, 2010 6:37 am
Posts: 11815
Location: Powell River BC Canada
Actually, it does say oxygen free on the label. Maybe I should snag 500 feet, carefully cut it in custom lengths with ceramic dikes, and ship it in sealed nitrogen filled bags. Wrapped in foil, of course. What a great way to boost my retirement income! Thanks for the idea. :lol:

Hey ! Best idea of all. Forget retirement. Just jump into a sealed bag of
nitrogen (liquid of course), ideal oxygen free environment, and leave a note
when you want to be thawed out.

Dave, Have you really thawt about this ?

No, Hal.

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Steve Dow
ve7aso@rac.ca


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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Sat 16, 2019 11:24 pm 
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Location: Thornhill, Ontario, Canada
Barry H Bennett wrote:
you can cryogenically treat the 300 ohm twin lead, which will not only align the molecules for superhuman strength, but also make the highs higher, the lows lower, and the spatial geometry more ..... geometric. Or more spatial, I forget which now ... it may also act as a WOW!!! filter. WOW! Oh wait, this isn't an audio website???? never mind........;-)
Pure poetry... thanks!
Cheers,
Roger

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Thornhill, Ontario
Ontario Vintage Radio Assoc. http://www.ovra.ca


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 Post subject: Re: Flat speaker wire?
PostPosted: Nov Sun 17, 2019 3:14 pm 
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Joined: Aug Sat 01, 2009 2:23 pm
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fifties wrote:
Mike Toon wrote:
Would 300 Ohm flat twin-lead work?

That's a good idea; wire is wire. Nothing spechul here.


Well, except that twin lead is designed for RF and the wire is only 22 ga. Not suitable for speaker wire. It'll work for very short runs, but I wouldn't run e.g. a set of AR3's with it.

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