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  #1  
Old 06-16-2011, 08:35 PM
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Having a Brain Fart. Need Help Wiring a Cab.

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Can someone please post a simple drawing for me ? I need to re-wire a 4x10 8 ohm cab to 16 ohms. Each speaker is 4 ohms. My brain is not working tonight : ) Thanks!
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Old 06-16-2011, 08:50 PM
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series wiring (+ of 1 spkr to - of the next)
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Old 06-16-2011, 09:10 PM
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Quote:
Originally Posted by Fender4Me View Post
I need to re-wire a 4x10 8 ohm cab to 16 ohms. Each speaker is 4 ohms.
If you have an 8 ohm 4x10 the drivers are not 4 ohm.
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Old 06-16-2011, 09:14 PM
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Originally Posted by skychief View Post
series wiring (+ of 1 spkr to - of the next)
+1, if they are, in fact, 4 ohms.

How was it wired originally?
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Old 06-16-2011, 09:19 PM
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This page should give you some options. Jumbo Sunshade - Speaker Wiring Diagrams
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  #6  
Old 06-16-2011, 09:38 PM
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Something like this. (4-ohm X 4 = 16 ohm)
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Old 06-16-2011, 09:41 PM
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Thanks everyone!
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Old 06-16-2011, 10:03 PM
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Quote:
Originally Posted by Fender4Me View Post
Can someone please post a simple drawing for me ? I need to re-wire a 4x10 8 ohm cab to 16 ohms. Each speaker is 4 ohms. My brain is not working tonight : ) Thanks!
You can't rewire an 8-ohm cab to 16 ohms. As Bill mentioned, either the cab is not an 8-ohm cab, or the drivers are not 4-ohm drivers. You should resolve that issue before you proceed.
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  #9  
Old 06-17-2011, 03:29 PM
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Speakers in a 4x10 are usually wired "series-parallel" and this give a total impedance equal to the impedance of a single speaker:
8+8 //(<-parallel) 8+8 gives a total of 8 ohm or
8 //8 + 8 //8 still gives 8 ohm.

So what you want to do is not possible unless you change the speakers (or you use only two speakers wired in series).

Regards,

Roberto
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