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adding up Ohms for speakers?


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konrad100 
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Joined: October 03, 2005
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Posted: October 18, 2005 at 1:58 PM / IP Logged  
Well here goes. I have a 2 ohm speaker for the front and another 4 ohm speaker for the front as well, if i hook them up in parallel to the same channel what is the total ohms of the two speakers total???
Q#2...
I now have 2 speakers same set up, but both are 4 ohm speaker and they are connected in parallel, now is the total 2 ohms??
Also its hooked up to an amp one channel that has a 2 ohm at 140 wrms, or 4 ohms at 70wrms. If it is 2 ohm load from the 2 speakers does that mean that each speaker is getting 140 wrms or is it split in 1/2 and each speaker only sees 70 wrms???
sdy284 
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Joined: October 15, 2005
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Posted: October 18, 2005 at 1:59 PM / IP Logged  
...
why is one speaker 2ohm & another 4ohm?
you should have the identical speaker on the left & right
konrad100 
Member - Posts: 47
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Joined: October 03, 2005
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Posted: October 18, 2005 at 2:04 PM / IP Logged  
I have a 6.5 in the door, and a 4" in the dash and the other side same, i'm just wondering what will the ohm add up for the 2 on each side, meaning 2 ohm 6.5 and 4 ohm 4"..
You see...and just wondering if that will be a problem in hooking up to the amp power that i discribed earlier..
sdy284 
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Joined: October 15, 2005
Location: United States
Posted: October 18, 2005 at 2:07 PM / IP Logged  
OHM Calc
go there ;)
DYohn 
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Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: October 18, 2005 at 2:13 PM / IP Logged  

konrad100 wrote:
I have a 6.5 in the door, and a 4" in the dash and the other side same, i'm just wondering what will the ohm add up for the 2 on each side, meaning 2 ohm 6.5 and 4 ohm 4"..
You see...and just wondering if that will be a problem in hooking up to the amp power that i discribed earlier..

Yes it will be a problem.  Didn't we advise you before to can the 4" in the dash?  Regardless, placing a 4-ohm and a 2-ohm load on the same amplifier channel will do two things: 1) your net impedence on the amp will be 1.333 ohms, which may overload it, and 2) the relative loudness will not balance with the 2-ohm driver utilizing twice the amplifier power of the 4-ohm driver (and thus being louder.)

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konrad100 
Member - Posts: 47
Member spacespace
Joined: October 03, 2005
Location: United States
Posted: October 18, 2005 at 2:42 PM / IP Logged  
I now have 2 speakers same set up, but both are 4 ohm speaker and they are connected in parallel, now is the total 2 ohms??
Also its hooked up to an amp one channel that has a 2 ohm at 140 wrms, or 4 ohms at 70wrms. If it is 2 ohm load from the 2 speakers does that mean that each speaker is getting 140 wrms or is it split in 1/2 and each speaker only sees 70 wrms???
Can you tell me what will the the wrms going to each speaker in this situation, thanks
DYohn 
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Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: October 18, 2005 at 2:45 PM / IP Logged  

You need to do some homework.  I recomend going to this web site and commence reading, and keep re-reading until you start to understand.  You'll thank me for it later.

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