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more sub wiring


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hastey2411 
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Posted: June 12, 2011 at 1:35 PM / IP Logged  
Ok same as before but now I have six subs in this set up.
I have 2 kicker cvx 2 ohm, 2 Sony 4 ohm and 2 Sony 8 ohm. All being driven by a mono block of 1500 rms @ 1 ohm.
I'm gonna wire the kickers to a 2 ohm load the sonys at a 8 ohm load and the other sonys at a 16 ohm load.
My question is what wattage is each set of subs gonna receive and will this be to much for this amp? It's a Mtx elite class D 1500 rms @ 1 ohm
Thanks guys
i am an idiot 
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Posted: June 12, 2011 at 5:31 PM / IP Logged  
Assuming that all of the woofers are single voice coil, the 2 ohm drivers will get twice the power of the 4 ohm drivers, and 4 times the power of the 8 ohm drivers.
hastey2411 
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Posted: June 12, 2011 at 8:58 PM / IP Logged  
Well no the cvx's dvc are 2 ohm wired in series parallel to 2 ohm load and the 4 ohm sony's svc are wired in series to an 8 ohm load and the 8 ohm sony's scv are also wired in series to a 16 ohm load. Just want to know the wattage each will receive.
i am an idiot 
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Posted: June 12, 2011 at 9:25 PM / IP Logged  
For your best chance at equalizing power to each speaker, wire the voice coils of the dual 2s in series to make each of them a 4 ohm driver.  Series those 2 to make an 8 ohm load.  Series the 4Ohm drivers as well.  Wire the 8 Ohm drivers in parallel for a 4 ohm load.  Now parallel all 3 sets to the amp.  The dual 2s and the 4 ohm drivers will see the same power.  The 8Ohm drivers will see more power than the 4 other drivers.  The final load on the amp will be 2Ohms.
hastey2411 
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Posted: June 13, 2011 at 12:04 PM / IP Logged  
Well I don't want a whole lot of power to the 8 ohm drivers and the 4 ohm ones just a ltttle more. But want most going to the kickers. Seems we have lost track of my question! Just wanna know how many watts I'm getting to each driver in this setup. My math has gone a little dull haha
DYohn 
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Posted: June 13, 2011 at 2:25 PM / IP Logged  
Wasn't your question answered in the first response?
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hastey2411 
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Posted: June 13, 2011 at 6:21 PM / IP Logged  
Haha ya kinda but I would like to know the actual wattage to each can't seem to come up with the formula to divide it all up! It's gonna be 1500 delivered to a 2 ohm 8 ohm and a 16 ohm resistance. Just don't want to over power the 2 ohm subs
DYohn 
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Posted: June 13, 2011 at 6:45 PM / IP Logged  

Well the point is it is not going to be 1500 watts.  Even if your amp is genuinely capable of that output, it is unlikely you will ever operate at full output for any length of time.  Whatever wattage the amp produces will be divided between the various loads as described.

Why in the world would you want to operate any system like this?  It is not a very good idea unless you really don't want to hear the higher impedance subs and they are just for show...

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hastey2411 
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Posted: June 13, 2011 at 7:48 PM / IP Logged  
Haha ya there is holes cut out at the back of my boat and subs just don't perform well there so I put 8 ohm free air subs there and the two 4 ohm subs are down in the cuddy so I don't want them drounding out the speakers in there but the cvx's are on the deck in the center of the boat and I want them to hammer! That's why I was wondering how much each will be getting for wattage! I could also run a 2 4 & 4 ohm setup! Ith biggest problem is trying to find room for subs on a boat so I hope this setup will give me what I'm looking for.
i am an idiot 
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Posted: June 13, 2011 at 9:29 PM / IP Logged  
16 Ohm = 214 watts.  8 Ohm = 428 watts  and the 2 Ohm set will get 856 watts.  This of course using the 1500 watt numbers.  The amp will be running into a 1.45 Ohm load. 
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