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#244912 - 02/04/09 04:33 PM Re: Center Speaker wiring [Re: MarkSJohnson]
pmbuko Offline
shareholder in the making

Registered: 04/02/03
Posts: 16289
Loc: Leesburg, Virginia
Not the flying half-chicken fart move!
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#244913 - 02/04/09 04:38 PM Re: Center Speaker wiring [Re: Worfzara]
jakewash Offline
shareholder in the making

Registered: 12/26/03
Posts: 10399
Loc: Calgary, Alberta
 Originally Posted By: Worfzara
Thanks Mark,

I was wondering if I could unplug the positive or negitive from the amp and put a volt meter to each wire at the other end. The one that registers juice would be the one plugged in. Would that work too?

paul
Actually if you unplug from the amp you would be getting no voltage/reading ;\)

Yes, you could check for the voltage at the speaker end with the wires off the speaker and a volt meter, this would give you the correct polarity, if a negative voltage shows up on the meter you know you are connecting the meter backwards.
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#244915 - 02/04/09 04:44 PM Re: Center Speaker wiring [Re: jakewash]
MarkSJohnson Offline
shareholder in the making

Registered: 09/27/04
Posts: 10941
Loc: Central NH
Though your idea would still allow you to check for continuity with a multimeter....

Use all safety precautions! Unplug, discharge static, wear hearing and eye protection, don't operate heavy machinery, beware of erections lasting longer than four hours...yadda, yadda, yadda...
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#244916 - 02/04/09 04:50 PM Re: Center Speaker wiring [Re: MarkSJohnson]
Ken.C Offline
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Registered: 05/03/03
Posts: 17789
Loc: NoVA
ain't no juice without no circuit...
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#244921 - 02/04/09 05:20 PM Re: Center Speaker wiring [Re: Ken.C]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13340
Loc: Iowa
I love Google Search also....
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#246229 - 02/10/09 09:12 PM Re: Center Speaker wiring [Re: SirQuack]
mrbiggyworth Offline
hobbyist

Registered: 11/07/07
Posts: 22
Loc: Toronto
You could disconnect amp & speaker. Then connect a 9 Volt battery at one end and check the other with a DC voltmeter to identify each wire.

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#246243 - 02/11/09 12:28 AM Re: Center Speaker wiring [Re: tomtuttle]
Ray3 Offline
connoisseur

Registered: 02/02/04
Posts: 2843
Loc: Rochester, NY
 Originally Posted By: tomtuttle
Well, aren't YOU just Mr. Helpful today.


I think it's just a phase he's going through.

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#246664 - 02/13/09 10:26 AM Re: Center Speaker wiring [Re: Worfzara]
el_giovato Offline
old hand

Registered: 01/05/04
Posts: 96
Loc: Northern Ontario
Another simple method to check for polarity is to use a AA battery. Disconnect the speaker wires from the amp, and connect the 1.5V AA battery to the 2 leads. If the woofer on the center speaker moves outward, the lead that was on the positive of the battery is the positive. If the woofer moves inward, the lead that was on the positive of the battery is the negative. Using a AA battery ensure the voltage going to the speaker is low enough to not cause any damage.

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