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how to wire 3 speakers into a crossover


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stevdart 
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Posted: April 10, 2008 at 9:23 PM / IP Logged  

A lot of time, a lot of money, and a lot of engineering to design and build a passive crossover.  Inductor prices are double what they were two years ago.

If you are going to build a speaker system, the first thing to do is make very careful buying decisions on what drivers you intend to use. 

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
i am an idiot 
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Posted: April 10, 2008 at 9:28 PM / IP Logged  
Trying real hard not to draw a picture of a monitor and a keyboard with hands typing on the keyboard, with the text
https://www.the12volt.com/caraudio/cross.asp   appearing across the screen.
But I will give you this bit of helpful information. You will have to use one of the midbass drivers from 80 to around 1K and the other from 1K to 5K and then the tweeter from 5K and up. Another advantage to this is, if the midbass driver does not reproduce the higher frequencies so well, you can replace it with a true midrange driver.
This way the amp will not see any more than 1 driver at a time, Should I say "essentially" keeping a 4 ohm load across the entire audible spectrum.
Remember there are formulas on that page to help you figure out the value of the capacitor and inductor to make the crossovers.
steezs 
Copper - Posts: 172
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Posted: April 10, 2008 at 9:30 PM / IP Logged  
ok but can they all be connected together to one channel?
the duce
i am an idiot 
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Posted: April 10, 2008 at 9:32 PM / IP Logged  
The load on your amp will be 4 ohms. What kind of an amp are you using that will not run under 6 ohms?
steezs 
Copper - Posts: 172
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Posted: April 10, 2008 at 9:34 PM / IP Logged  
ok so i connect all 3 speakers in parallel with each its own cross over like the examples on the website and my load will remain at 4?
the duce
i am an idiot 
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Posted: April 10, 2008 at 9:36 PM / IP Logged  
Did you even click on the link I posted earlier?
steezs 
Copper - Posts: 172
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Posted: April 10, 2008 at 9:45 PM / IP Logged  
ya but it just gives eamples of one driver at a time not 3 connected together
the duce
i am an idiot 
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Posted: April 10, 2008 at 10:06 PM / IP Logged  
You will have to build one crossover per speaker.
DYohn 
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Joined: April 22, 2003
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Posted: April 10, 2008 at 10:47 PM / IP Logged  

I'm trying to follow here... let me see if I have it.

You have two midbass drivers and a tweeter, right?  You want to create a 2-way crossover with the two mid-bass drivers operating below 5KHz and the tweeter operating above 5KHz, right?  If that is not correct, please describe again what you want to do, and please list the make/model of each of your speakers.

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steezs 
Copper - Posts: 172
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Posted: April 11, 2008 at 11:01 AM / IP Logged  
Yes, thats exactly it but i want to know if i can connect them all to one channel. 
the duce
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