Can someone tell me if the unshielded W5-704 has a vented motor or not (ie, hole on the back of the speaker)? Also, is it possible to remove the phase plug?

<A HREF="http://www.partsexpress.com/pe/pshow...TOKEN=19088625">http://www.partsexpress.com/pe/pshow...TOKEN=19088625</A>

Want to try a coaxial...

Sam