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In Reply to: RE: Have you listened? posted by Davey on October 30, 2014 at 20:27:13
I'm always amused when I read that people get all wrapped around the axle of audio with which end of the cap is connected to the load and which the source and THAN completely ignore inductor orientation when the magnetic field generated DOES interact with the other inductor. Too far for the effect? The inductors in the pictured crossover are only a couple inches apart. If they were somehow toroidal inductors, I could get behind that idea, but not plain coils.
Maximum effect will be in the region of crossover where both inductors are 'active' but will also play into the harmonic relationships in the AC fields. So, I'd guess you aren't safe anywhere + or - 2 octaves of the crossover.
I think Ric thinks the music 'flows' along the wires. I've always had a little problem with directionality in an AC circuit.
Too much is never enough
Follow Ups:
Did you notice that the crossover plate sits right above the large magnet on the upper dipole woofer? What do you think about that? :)
Dave.
The woofer has what I HOPE is a self contained magnetic field.
Depending on strength of the respective fields AND distance / orientation, you may or even SHOULD be able to get away with the design as executed.
I also don't know the direction of the fields in question. However, It would appear the inductors and the voice coil are nearly at right angles to one another. good.
A problem would arise if the woofer were a field coild design, not a PM type.
I'm a major stickler for detail which is why the inductor orientation jumped out at me.
Too much is never enough
We're speculating. :)
As Danny Richie likes to say, he's a multiple-award winning speaker system designer. So, I'm sure he would have investigated all these coupling aspects and deemed them acceptable. :)
Much more of interest to me is the physical arrangement of the planar drivers.
Oh well.
Dave.
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