Underhung VC
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Adam - thanks, I borrowed it obviously.
Gmac - as bigmike216 indicated, the former is longer than the coil and does the job of both keeping the coil in shape and attaching it to the cone. The long "tube" you see in the gap between the cone and spider in long frame woofers is an extension of the former.
The biggest proposed advantage of a underhung coil is that all the coil is in the gap all the time. This means that the speaker should theoretically have the same control of the cone at low excursions and large excursions. Drawback - more expensive to make the driver as the top plate has tobe substantially thicker.
Gmac - as bigmike216 indicated, the former is longer than the coil and does the job of both keeping the coil in shape and attaching it to the cone. The long "tube" you see in the gap between the cone and spider in long frame woofers is an extension of the former.
The biggest proposed advantage of a underhung coil is that all the coil is in the gap all the time. This means that the speaker should theoretically have the same control of the cone at low excursions and large excursions. Drawback - more expensive to make the driver as the top plate has tobe substantially thicker.
