GoodSoundClub - Romy the Cat's Audio Site

In the Forum: Horn-Loaded Speakers
In the Thread: The African compression electromagnet drivers?

Post Subject: Fieldcoil parameters and coil voltage.Posted by be on: 8/11/2010

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.

Regards
be

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