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Impedance curve (Read 564 times)
alonso
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Posts: 13
Impedance curve
04/06/10 at 05:08:18
 
Hello;

I installed a JBL Control 1 as center channel in my H.T. The Marantz receiver marks minimal impedance from 6 to 16ohms. and the Control 1 has a nominal impedance of 4, First I thought it's only 2 ohms under specs and later I found the impedance curve of the speaker wich ilustrates a greater demand of power below 100hz.(10ohm)
The center channel is "cut" at 100hz in the receiver set up, so it will never reach the point where low freq's demand 4 ohms right? (55hz)

Hope someone can help me.

Thanks

http://www.jblpro.com/pub/obsolete/Control_1at.pdf
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« Last Edit: 04/06/10 at 05:10:23 by alonso »  
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ski bum
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Posts: 177
Re: Impedance curve
Reply #1 - 04/14/10 at 18:25:11
 
You're probably safe.  You are correct that the 100hz high pass will reduce the current draw for your center speaker, and at 10 ohms it won't be drawing that much anyway.  I would imagine the Marantz to have some thermal protection circuitry built in, too.   Unless it's running smoking hot or shutting down, I'd just roll with it.
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