You're thinking of Dave Tenney's "VD" monitors.

You can find my crossover design for it here..

http://www.speakerbuilder.net/web_files/calgen/calgen1.htm

Also, there's a link to Dave's project page.

Also, as I recally, this should work fine on a 7-8" baffle (although narrow is better in this case).

WJ

Thank you for responding. That helps alot with the decision to go forward.