Which Terminal is the Positive???
01-21-2002, 02:28 AM
#1
Which Terminal is the Positive???
heres a stock panasonic non-bose 6 3/4 speaker. which terminal is the positive? top or bottom terminal?
I looked at the wires and they are all multi-colored like pink, green and all that so that didnt help either. I dont have a multi meter so I cant check for myself. I just need to know which one is the positive terminal and which wires are the positive if they are coded by color. If not, then how do I check for the + wire? thanks
I looked at the wires and they are all multi-colored like pink, green and all that so that didnt help either. I dont have a multi meter so I cant check for myself. I just need to know which one is the positive terminal and which wires are the positive if they are coded by color. If not, then how do I check for the + wire? thanks
01-21-2002, 04:22 AM
#2
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Join Date: Aug 2000
Posts: 2,931
Go ahead and wire it up. Then play some music while watching the speaker. If the cone moves outward when the bass hits, then it's wired correctly. If the cone moves inward when the bass hits, then it's out of phase, and you need to reverse the wiring.
01-21-2002, 08:20 AM
#4
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Join Date: Dec 2001
Posts: 2,084
Originally posted by Micah95GLE
Go ahead and wire it up. Then play some music while watching the speaker. If the cone moves outward when the bass hits, then it's wired correctly. If the cone moves inward when the bass hits, then it's out of phase, and you need to reverse the wiring.
Go ahead and wire it up. Then play some music while watching the speaker. If the cone moves outward when the bass hits, then it's wired correctly. If the cone moves inward when the bass hits, then it's out of phase, and you need to reverse the wiring.
01-21-2002, 08:33 AM
#5
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Join Date: Feb 2001
Posts: 468
Originally posted by Micah95GLE
...If the cone moves outward when the bass hits, then it's wired correctly. If the cone moves inward when the bass hits, then it's out of phase...
...If the cone moves outward when the bass hits, then it's wired correctly. If the cone moves inward when the bass hits, then it's out of phase...
01-21-2002, 04:09 PM
#6
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Join Date: Aug 2000
Posts: 2,931
Originally posted by jiaxima96
Is it? I think as long as all speakers are wired the same so that they all move in the same direction at the same moment, there should be no phase cancellation. It doesn't matter weather the first move is outwards or inward, sound is a continuous wave that make speaker cone vibrate. Some audio expert check if I'm wrong, please.
Is it? I think as long as all speakers are wired the same so that they all move in the same direction at the same moment, there should be no phase cancellation. It doesn't matter weather the first move is outwards or inward, sound is a continuous wave that make speaker cone vibrate. Some audio expert check if I'm wrong, please.
If you wired all of the speakers backwards, then they would be playing into the doors and trunk, not into the interior where they should be compressing the air.
01-21-2002, 04:53 PM
#7
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Join Date: Feb 2001
Posts: 468
Originally posted by Micah95GLE
If you wired all of the speakers backwards, then they would be playing into the doors and trunk, not into the interior where they should be compressing the air.
If you wired all of the speakers backwards, then they would be playing into the doors and trunk, not into the interior where they should be compressing the air.
If speakers are wired some forwards other backwoards then there IS phase cancellation: One pushes air out and the other just take that amount air in to fill its vacuum...
01-22-2002, 09:13 PM
#8
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Posts: n/a
Originally posted by Micah95GLE
If you wired all of the speakers backwards, then they would be playing into the doors and trunk, not into the interior where they should be compressing the air.
If you wired all of the speakers backwards, then they would be playing into the doors and trunk, not into the interior where they should be compressing the air.
Get a AA battery. Connect positive to one terminal, negative to the other. Cone should move in or out and hold that position. If it moves up, then you have connected positive to positive, negative to negative. Otherwise it's the other way around.
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