Passively radiating

Yesterday we covered the basics of ports in speaker boxes that would otherwise be called sealed boxes were it not for the hole and associated tube punched into the speaker box to extend the bass. Port calculations used to be […]


Today Paul went Passive on us… Tomorrow we get lost in a maze. :open_mouth:



I’m appreciating my ML Depthi 3-way servo sub even more now. No stinking ports, no mazes, just 3 woofers firing in phase. Way cool. (Of course, Paul designed it)