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coops wrote:

I have re-read your post and your tone sugests that field coil drivers  wi be used by manufacturers purely for their marketing appeal and not for any sonic improvement, Thomas Woschnick has just taken delivery of a pair of Cessaro Beta's which utilise a field coil for the upper bass driver , I believe he is very pleased with the results…

So fun any conversations and any examples of field-coil drivers I have witnessed were more marketing, hype, or prejudices-centric instead of Sound-centric. I do not say that field-coil idea is faulty; I just say that I did not see it being used with sonic objective so far. Any single argument that “field-coil lobby wonna be” extend to push the field-coil idea forward does not stand ground.  I hope the satiation will change in future…

However, what I said has nothing to do with field-coil as implementation options (like in your Cessaro Beta the upper bass electromagnet driver most likely was superfluous). The electromagnet drivers for ignorant people are the “persuasive rationalization” and I think the industry will capitalize on this fact.

All that needed for start is a big household manufacturer with a very habitual and stale product to move into field-coil direction and get sales numbers up – it will open the flood. Let pretend that something like the 3 way Wilson Watt/Puppy come up with Wilson Watt/Puppy “ElecraDrive”, featuring all channels with electromagnet. In fact for Wilson inverted metal dome and those over 30K harsh resonances the electromagnet would be a good thing. As you understand such a release will be accompanied with all those reviewing whores trumpet the electromagnet idea in all hi-fi publications, buttering up the perspective buyers. Perhaps Wilson, in orders to demonstrate the “electromagnet difference” will instruct own resellers to intentionally topple Sound of the former models (like shunting or re-phase the drivers - I know many stories like this that took place during the dealer demonstrations). If the buzz catch up and the “ElecraDrive” model will be a good hit then with a year you will see a LOT of many companies to follow.

It is all might not be a bad thing; in fact I would like more people look at electromagnet idea. I just say that there is a pile of cash in the electromagnet marketing and I will be very surprised if the mainstream audio marketing do not bang over and do not pick it up.

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