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how do i achieve a 1 ohm load on 10 10s


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pcummings32 
Copper - Posts: 52
Copper spacespace
Joined: August 02, 2009
Location: Illinois, United States
Posted: August 02, 2009 at 2:20 PM / IP Logged  
i have 10    2 ohm DVC 10"s and i would like to achieve a 1 ohm load over them. can anyone give me some help.
icearrow6 
Copper - Posts: 497
Copper spacespace
Joined: February 02, 2009
Location: California, United States
Posted: August 02, 2009 at 3:06 PM / IP Logged  
So you want to use TEN (10) woofers to a single amp?
Well you can't sorry.
So the options are two amps with 4 woffers at 1ohm.
Ten amps with one woffer each at 1ohm
Or
Three amps with 3 woofers each at 1.3 ohms.
These are the standard options, other configurations are not recommended..because wiring DVC woofers in series causes distortion.
Take your pick and I'll post the exact wiring config, but those are your options
i am an idiot 
Platinum - Posts: 13,673
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: August 02, 2009 at 3:28 PM / IP Logged  
The best I can do for you with the equipment you have is as follows.  Parallel the coils of each woofer.  For a 1 ohm per woofer load.  Here comes the big can of worms.  Series the left 5 woofers for a 5 ohm load.  Do the same for the right 5.  Then parallel the left and right for a 2.5 Ohm load.   That is the only equal power per voice coil option I can think of.
Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
pcummings32 
Copper - Posts: 52
Copper spacespace
Joined: August 02, 2009
Location: Illinois, United States
Posted: August 02, 2009 at 3:43 PM / IP Logged  

i like the 2 amp option the best. if you could give me the exact configuration i would really appreciate it. thanks

ianarian 
Copper - Posts: 516
Copper spacespace
Joined: April 24, 2009
Location: California, United States
Posted: August 02, 2009 at 3:52 PM / IP Logged  
Are we talking about car audio?   If you have preselected 10 subs then you have to configure amp(s) to properly power them. If your ohm/#ch is preselected then you limit the quantity of subs to properly meet that requirement. If this is a science project, then thats a different story.
This is what I do for FUN!
pcummings32 
Copper - Posts: 52
Copper spacespace
Joined: August 02, 2009
Location: Illinois, United States
Posted: August 02, 2009 at 4:08 PM / IP Logged  
sorry let me clarify a few things.       i have ten 10" concept audio subwoofers.  i got them on a deal from a friend for $200 so i couldnt pass it up.    im not sure if they are dual 2 ohm voice coil or dual 4 ohm voice coil.   i know that makes a difference in achieving the 1 ohm load. but i am pretty sure they are dual 2 ohm.    i am open to only using 8 of the 10 due to the fact that i can use 2 amps( 1 amp per four subs) and save the other two for replacements in case of a blown woofer. i hope that helps.                                  also if anyone could help me identify whether they are dual 2 ohm or dual 4 ohm i would greatly appreciate it.  there are no labels on the woofers so i cant tell.    they are black on the front with the word concept in silver. the magnet is large, chrome, and says concept on one end and C on the other.   thanks
icearrow6 
Copper - Posts: 497
Copper spacespace
Joined: February 02, 2009
Location: California, United States
Posted: August 02, 2009 at 4:40 PM / IP Logged  
Wire each sub in series. = 4ohm each sub.
Wire 4 woofers this way and parallel them.= 1ohm
Repeat for another 4 subs.
Just make sure you DO have dual 2ohm subs.
i am an idiot 
Platinum - Posts: 13,673
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: August 02, 2009 at 4:46 PM / IP Logged  
You will have to use an ohm meter to figure out if they are 2 ohm or 4 ohm coils.
Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
icearrow6 
Copper - Posts: 497
Copper spacespace
Joined: February 02, 2009
Location: California, United States
Posted: August 02, 2009 at 4:48 PM / IP Logged  
You will need a digital multi meter to measure the voice coils on the woofers. They will range from 1.8ohms to 2.2ohms if they are 2ohm speakers.
Set the meter to OHMS or a horse shoe looking symbol, and touch the meter wire to the + and - of each coil.
pcummings32 
Copper - Posts: 52
Copper spacespace
Joined: August 02, 2009
Location: Illinois, United States
Posted: August 02, 2009 at 5:00 PM / IP Logged  
thanks very much icearrow.    im sure that will be helpful.
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