Not much mention of infinite baffle subs, so here are some links: Cult of the Infinitely Baffled My favourite outdoor vented HUGE IB sub. Eight 18inch drivers -- Got to admire that guys ideas Cult of the Infinitely Baffled- FORUM IB FAQ IB subs are the easy way for 'woodworking challenged' DIYers to build nice bass. No need for a well finished MDF enclosure. Anyone else got any links to IB sub ideas? Might be worthy of a sticky maybe? Who has built one or is going to ? Mark.