Which is which ?

fireman · 1st February 2004, 06:52 PM

I got my TB W3-871S in the mail last week. I am about to put the final touches on my first two "rough" enclosures. But before I go ahead and put the drivers in, I've gotta ask a stupid question.

There is a wide and a narrow connector on the speakers. Which one is the positive and which one is the negative ? I guess there must be a convention for this kind of stuff but I don't know it. Can somebody help me ?

Let's hope I'm finished before the Superbowl. I'll be able to break them in as I watch the game.

GM · 1st February 2004, 06:58 PM

Standard convention is the wide one is the positive, but to be sure, if you have a 1.5V battery and some insulated wire available you can easily check it.

GM

leadbelly · 1st February 2004, 08:20 PM

Take a close look at the terminals. You will see that TB has kindly moulded in a "+" and "-" into the terminal strip.

EC8010 · 2nd November 2004, 04:11 PM

Quote:

Originally posted by GM
Standard convention is the wide one is the positive, but to be sure, if you have a 1.5V battery and some insulated wire available you can easily check it.

That's true, you can check with a 1.5V cell. However, DC from the cell is below resonance and we operate moving coil loudspeakers above resonance, and there's a 180 degree change of phase between the two. This means that if the positive terminal of the cell moves the cone towards you, this is actually the negative terminal.

Timn8ter · 2nd November 2004, 05:26 PM

Standard convention applies with the W3-871S.

1st February 2004, 06:52 PM	#1
fireman diyAudio Member Join Date: Dec 2003 Location: Trois-Rivières, Québec, Canada	Which is which ? I got my TB W3-871S in the mail last week. I am about to put the final touches on my first two "rough" enclosures. But before I go ahead and put the drivers in, I've gotta ask a stupid question. There is a wide and a narrow connector on the speakers. Which one is the positive and which one is the negative ? I guess there must be a convention for this kind of stuff but I don't know it. Can somebody help me ? Let's hope I'm finished before the Superbowl. I'll be able to break them in as I watch the game.

1st February 2004, 06:58 PM	#2
GM diyAudio Member Join Date: Jun 2003 Location: Chamblee, Ga.	Standard convention is the wide one is the positive, but to be sure, if you have a 1.5V battery and some insulated wire available you can easily check it. GM __________________ Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.

1st February 2004, 08:20 PM	#3
leadbelly diyAudio Member Join Date: Dec 2002 Location: Calgary, Alberta	Take a close look at the terminals. You will see that TB has kindly moulded in a "+" and "-" into the terminal strip. __________________ Aerodynamics are for people who can't build engines. Enzo Ferrari

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2nd November 2004, 05:26 PM	#5
Timn8ter diyAudio Member Join Date: Jul 2003 Location: Seattle, WA	Standard convention applies with the W3-871S.

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