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In the Forum: Horn-Loaded Speakers
In the Thread: The African compression electromagnet drivers?
Post Subject: It will be different magnetic field.Posted by Romy the Cat on: 8/11/2010
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 be wrote:
Hi!
Let me point out that two field coil magnets with identical iron parts, but different field coil wire thiknesses, will at the same field coil power dissipation produce exactly the same magnetic field and the loudspeaker will hence have same parameters.
Naturally since the impedance of the field coils are different the required voltage applied will differ.
Therefore if fieldcoil drivers with higher voltage ratings tend to sounds better, it must be due to other indirect factors like difference in power suplies or maybe different mechanical or heat conducting characteristics of thin and thick wires.

Actually, be, you are incorrect. What I was pitched with idea of high voltage filed coil I spoke with people who consult me and they explained to me that with same amount of flux but with higher voltage in coil the result will be different magnetic field. It is not the power supplies, or mechanics or heat but internal changes in the field itself. I do not remember exactly all details and do not insist they are write but the explanations I got sounded very reasonable to me.

Rgs, Romy the Cat

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