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Explain Dual Voice Coil


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rl50121 
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Posted: July 23, 2003 at 3:57 PM / IP Logged  

Could some one please explain dual voice coils to me.  I have been told that dual voice coils can only be ran in 2 or 8 ohm.  This doesn't sound right.  Audiobahn AW1200Q is 12'' subs has Dual 4 ohm voice coils and the ALUM12Q has dual 6 ohm voice coils.  Whats the deal?  What would happen if I ran these off a 4 ohm stable amp in strereo.  Would the amp over heat?  Help me understand!

RL

rl
bberman1 
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Posted: July 23, 2003 at 5:51 PM / IP Logged  
Here is a tutorial that should help you out http://www.jlaudio.com/tutorials/dvc/index.html
wvsquirrel 
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Posted: July 24, 2003 at 2:19 AM / IP Logged  
One 4ohm DVC can be run as 2 or 8 ohms, but there are many other model DVC's out there besides 4ohm DVC's. I've seen at least 2 and 6 ohm DVC's as well. One 2ohm DVC can be run as 1 or 4 ohms, and one 6ohm DVC can be run as 3 or 12 ohms.
Just think of a DVC as 2 SVC's (Single Voice Coils) when you think of how to wire them. If you have two 4ohm SVC's then you can wire them into a 2 or 8 ohm load. So one 4ohm DVC is equivilant to two 4ohm SVC's (wiring wise, not necessarily RMS/Peak power wise).
Here's some links to different wiring wizards that may help out as well...
Rockford Fosgate's Wiring Wizard
JL Audio's Wiring Wizard
Squirrel
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rl50121 
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Posted: July 24, 2003 at 11:25 AM / IP Logged  

So lets say that I have one 4ohm DVC subwoofer and I hook it to a mono amp, what is the ohm rating?

RL

rl
bberman1 
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Posted: July 24, 2003 at 2:49 PM / IP Logged  

If you wired the sub in parallel http://www.audiobahninc.com/tech/wiring/parallel_parallel_dual_4.pdf you would have a 4 ohm load on the amp.

If you wired it in series http://www.audiobahninc.com/tech/wiring/Series_Series_dual_4_ohm.pdf you would have an 8 ohm load.
To assist you in wiring the sub to the amp we need the make and model # of your amp

wvsquirrel 
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Posted: July 24, 2003 at 8:58 PM / IP Logged  
(1) 4ohm DVC wired in parallel would produce a 2ohm load at the amp
Squirrel
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If its too loud, then you're too old
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