High Efficiency Speaker Asylum

Need speakers that can rock with just one watt? You found da place.

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RE: Not-so-obvious difference.

Posted by Cyr-Marc on July 20, 2009 at 22:06:39:
Very good description. Thanks.
In addition to your response I add my two cents.
Except the sound property, "field coil" drivers have a big advantage than permanent magnet drivers. You can modify some TS parameters when you increase or decrease the voltage apply on your drivers. You can reach the better parameters for your enclosure or your OB pannels.
In any situation where you build enclosures, you build them in consideration of the TS parameters your permanent magnet drivers have. With "field coil" you can build your enclosures and after you can adjust with precision the interaction between drivers and enclosures when you change the voltage you apply on your drivers. With permanent magnet motor drivers you cannot make this.
A+
Cyr-Marc