Reflextube for Speaker Equinox

This is a simple reflextube that i made for a friends new speaker, the equinox. Designed in 2 parts, to fit on the printbed. I'm a beginner, so be careful. Printed in PLA. Have fun.
Link to the speaker:

http://www.diy-hifi-forum.eu/forum/showthread.php?t=11693&highlight=Equinox

Inner diameter 65mm, outer diameter 73mm, length 187mm