12" passive radiator replacement?
Since the world is waiting with bated breath - update: I fixed them.
Not bad. Haven't connected them to my good power amp (Hafler 9505), but the biggest problem is almost no useful response below 50Hz - despite having two 12" woofers each.
My first thought was that the front- and rear-firing woofers aren't in phase, but nope.
Probably not keepers, but I'm only 90% sure.
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