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<blockquote data-quote="sundownz" data-source="post: 8469849" data-attributes="member: 549523">** Motor Only Photo** Video of a Z v.5 15&quot; prototype I built up for a customer (Doug Fabio)** Another photo<a href="http://www.caraudioclassifieds.org/forum/attachment.php?attachmentid=65386&amp;amp;d=1439318132" target="_blank">Car Audio Classifieds</a>** Photo while I built a 12&quot; prototype (right)<a href="http://www.caraudioclassifieds.org/forum/attachment.php?attachmentid=65538&amp;amp;d=1439389150" target="_blank">Car Audio Classifieds</a>** Another Z v.5 (left) vs the Z v.4 photo-----A few highlights of the changes made compared to the Z v.4 Rev.2 :1) Shorting Ring 33% thicker in the magnet ID2) Motor OD increase from 220mm to 234mm3) Magnet stack increase from 75mm to 102mm4) Optimized motor air-flow further6) Natively lower inductance coil (NS v.3 coil being used)7) Increased linear excursion (longer coil)In the end the parameters are not terribly different from the Z v.4 Rev.2 other than inductance &amp;amp; x-max so they can be a direct drop-in.Distortion is reduced quite a bit due to the inductive changes &amp;amp; higher linear x-max, though... and thermal power handling jumps quite a bit thanks to the NS v.3 coil.</blockquote>

[QUOTE="sundownz, post: 8469849, member: 549523"] ** Motor Only Photo ** Video of a Z v.5 15" prototype I built up for a customer (Doug Fabio) ** Another photo [URL="http://www.caraudioclassifieds.org/forum/attachment.php?attachmentid=65386&d=1439318132"]Car Audio Classifieds[/URL] ** Photo while I built a 12" prototype (right) [URL="http://www.caraudioclassifieds.org/forum/attachment.php?attachmentid=65538&d=1439389150"]Car Audio Classifieds[/URL] ** Another Z v.5 (left) vs the Z v.4 photo ----- A few highlights of the changes made compared to the Z v.4 Rev.2 : 1) Shorting Ring 33% thicker in the magnet ID 2) Motor OD increase from 220mm to 234mm 3) Magnet stack increase from 75mm to 102mm 4) Optimized motor air-flow further 6) Natively lower inductance coil (NS v.3 coil being used) 7) Increased linear excursion (longer coil) In the end the parameters are not terribly different from the Z v.4 Rev.2 other than inductance & x-max so they can be a direct drop-in. Distortion is reduced quite a bit due to the inductive changes & higher linear x-max, though... and thermal power handling jumps quite a bit thanks to the NS v.3 coil. [/QUOTE]

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