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X3 E83 (2004 - 2010)
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  #1  
Old 09-07-2009, 02:33 PM
sonicf sonicf is offline
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Mein Auto: blazer, 911s, soon X3
rear door speakers

Had to remove rear driverside door panel to fix window. Pulled off easier than I thought. speaker connectors pulled free before I could note how they were connected. It has premium DSP system so a tweeter and midrange. Tweeter connector is obvious. Mid range has 2 places that the other connector will key into. It plays when connected to either spot, but are they polarized differently? BMW shop manual says to hook up as it was, so no help. Does anyone know if it matters how it is hooked up?
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  #2  
Old 09-07-2009, 10:45 PM
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Evlengr Evlengr is offline
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Yes it does----easy way to check polarity on speakers is to take a 9 volt battery and connect quickly (very quickly) and then disconnect.

When speaker moves out the polarity is positive.

If you play speakers incorrectly polarized it wil cancel out certain sounds and may damage the amp over time.
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Last edited by Evlengr; 09-08-2009 at 06:49 AM.
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  #3  
Old 09-08-2009, 06:16 PM
sonicf sonicf is offline
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Turns out both connections on the speaker are identical. Each connector had 2 pins and there was zero ohms between the same location pin in each connector and 4 ohms between both pins in the same connector.
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Old 09-09-2009, 06:52 AM
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Evlengr Evlengr is offline
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Quote:
Originally Posted by sonicf View Post
Turns out both connections on the speaker are identical. Each connector had 2 pins and there was zero ohms between the same location pin in each connector and 4 ohms between both pins in the same connector.
Sounds like we are talking about two different aspects. There would be a main input to the 4 inch speaker and an in turn an output to the tweeter. Is that what you are trying to determine?
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2013 S4 Loaded (and NO RFT's) Awesome is an understatement
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2007 AT X3 RIPOS
2005 GC
2000 Jeep Cherokee
1997 Twin Turbo RX-7
1984 GTI Wolfsburg Edition Neuspeed and more
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  #5  
Old 09-09-2009, 07:45 AM
sonicf sonicf is offline
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That makes sense. I have a separate feed wire for the tweeter maybe because of "premium" sound. So I don't have to jumper over to the tweeter but the second connector spot could be used to do that.
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