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Wiring speakers #689404 Tue Oct 26 2010 10:32 PM
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Czechman Offline OP
Shop Shark
I bought one of THESE and there is no indication as to which speaker wire is positive and which is negative.

However one wire has a male plug and a female receptacle. The male has no rubber insulation shield but the female does.

Is it possible to figure out negative from positive by the male/female thing?


Woody
Your Brother in Bolthood

My 1951 half-ton 'Ol Red

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Re: Wiring speakers [Re: Czechman] #689414 Tue Oct 26 2010 11:30 PM
Joined: May 2001
Posts: 8,386
Cletis Offline
Extreme Gabster
A good guess would be the insulated one is positive.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.
My TRUCKS website
Re: Wiring speakers [Re: Cletis] #689467 Wed Oct 27 2010 02:45 AM
Joined: Oct 2006
Posts: 11,765
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Denny Graham Offline
Extreme Gabster
Speakers shouldn't be polarity sensative Woody, just pick one.
Denny Graham
Sandwich, IL

Re: Wiring speakers [Re: Cletis] #689549 Wed Oct 27 2010 11:29 AM
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Czechman Offline OP
Shop Shark
Originally Posted by cletis
A good guess would be the insulated one is positive.


That's what I thought but then I thought why would the non-powered positive be shielded? Wouldn't it make more sense to insulate the positive wire on the hot side?

And Denny, I don't know if you're serious or not but every speaker I've ever wired has been polarity specific and even speaker wire is coded.


Woody
Your Brother in Bolthood

My 1951 half-ton 'Ol Red

Save the VINTAGE DOOR ART! Please contribute photos.
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Re: Wiring speakers [Re: Czechman] #689554 Wed Oct 27 2010 12:22 PM
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Denny Graham Offline
Extreme Gabster
Woody I'm almost positive that's only a concern if you're wiring more than one speaker up. You don't want to get them out of phase with each other, if they are out of phase then they will cancel each other out. All of the output circuits that I've run into are drivin by an audio transformer, and a transformer will only work on AC or alternating DC and as you know an AC plug can be turned in either direction. Just reverse the wires and give it a try.
Maybe Fred N. will step in and offer us a more technical explanation; he is much more of an audio man than I am.
All that said, I thought I was wrong once, but as it turned out I was mistaken!
Denny Graham
Sandwich, IL

Last edited by Denny Graham; Wed Oct 27 2010 12:24 PM.
Re: Wiring speakers [Re: Denny Graham] #689555 Wed Oct 27 2010 12:25 PM
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Czechman Offline OP
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This is a two-speaker thingie and the wires that come off the radio are marked + and -.


Woody
Your Brother in Bolthood

My 1951 half-ton 'Ol Red

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Re: Wiring speakers [Re: Czechman] #689565 Wed Oct 27 2010 01:44 PM
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Posts: 141
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Old Dollar Offline
Wrench Fetcher
Hook em up and if sound is tinny (no bass) swap wires. It ain't rocket science. The + and - markings are probably on there because they are universal connectors that can be used for most anything.


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Re: Wiring speakers [Re: Czechman] #689665 Wed Oct 27 2010 06:54 PM
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Cletis Offline
Extreme Gabster
Originally Posted by Czechman


That's what I thought but then I thought why would the non-powered positive be shielded?


You said nothing about the wire being shielded. The shield should be grounded.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.
My TRUCKS website
Re: Wiring speakers [Re: Cletis] #689701 Wed Oct 27 2010 10:14 PM
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Czechman Offline OP
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Originally Posted by cletis
[quote=Czechman]You said nothing about the wire being shielded. The shield should be grounded.


My original post says "The male has no rubber insulation shield but the female does."

Regardless, I flipped a coin and it decided that the insulated plug was positive. Thank you for your help.


Woody
Your Brother in Bolthood

My 1951 half-ton 'Ol Red

Save the VINTAGE DOOR ART! Please contribute photos.
Door Art Collection
Re: Wiring speakers [Re: Czechman] #689828 Thu Oct 28 2010 04:50 AM
Joined: May 2001
Posts: 8,386
Cletis Offline
Extreme Gabster
OK, there was a misunderstanding of terminology. A shielded wire has a metal shield around it. An insulator is not a shield.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.
My TRUCKS website
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