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new car, new system, power, no sound


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i am an idiot 
Platinum - Posts: 13,670
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: August 24, 2009 at 10:14 PM / IP Logged  

The speaker will not play wired in that manner.   What is the impedance of the voice coils?  Following are diagrams for parallel and series wiring.

Option 1 (parallel) = 2 ohm load
Voice coils wired in parallel
Recommended Amplifier: Stable at 2 or 1 ohm mono
new car, new system, power, no sound - Page 3 -- posted image.
 
Option 2 (series) = 8 ohm load
Voice coils wired in series
Recommended Amplifier: Stable at 4, 2, or 1 ohm mono
new car, new system, power, no sound - Page 3 -- posted image.

You left off the wire on the right side of the bottom picture.
Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
tenchu 
Member - Posts: 33
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Joined: August 23, 2009
Location: Texas, United States
Posted: August 24, 2009 at 10:34 PM / IP Logged  
they are 4 ohm coils.
maybe i mis-understand the picture?
to me it looks like 1 + wire to one + terminal and one - wire to opposite - terminal
tenchu 
Member - Posts: 33
Member spacespace
Joined: August 23, 2009
Location: Texas, United States
Posted: August 24, 2009 at 10:39 PM / IP Logged  
fyi im trying to get it 2ohm. the bottom is 8ohm no?
i am an idiot 
Platinum - Posts: 13,670
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: August 24, 2009 at 10:46 PM / IP Logged  
Top diagram is 2 ohm.  I stated you forgot the wire because that was the closest thing I could think of to what you described.
Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
tenchu 
Member - Posts: 33
Member spacespace
Joined: August 23, 2009
Location: Texas, United States
Posted: August 24, 2009 at 10:53 PM / IP Logged  
So I had it correct for 2 Ohm correct?
This setup should work in 2 Ohm no?
http://www.caraudiomix.com/HIFONICS_BRUTUS_BXi1210D_1200W_Car_Amp_p/bxi1210d.htm
http://www.crutchfield.com/S-GkupBrr2S54/p_500SWR1242/Alpine-SWR-1242D.html
i am an idiot 
Platinum - Posts: 13,670
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: August 24, 2009 at 11:06 PM / IP Logged  
According to what I read, you had an open circuit.  You ran signal to a positive wire of one coil, and you had the negative wire connected to the negative terminal of the other coil.  Without connecting the 2 remaining terminals together, there was no flow of current through your speaker.  The positve signal went into the positive of the coil and had no where to go.  The negative terminal of that coil was not connected to anything.
Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
tenchu 
Member - Posts: 33
Member spacespace
Joined: August 23, 2009
Location: Texas, United States
Posted: August 24, 2009 at 11:32 PM / IP Logged  
oh i feel stupid now.
i finally see the wire that connects the two + and two - terminals together. you were right, i had it wrong. thanks for beating it into me, lol!!
i am an idiot 
Platinum - Posts: 13,670
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: August 25, 2009 at 9:01 PM / IP Logged  
I hope I didn't bruise you up too bad.
Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
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