DB,
One more name to your list (a name who has perhaps been a pioneer in this active loudspeaker technique):
Boothroyd-Stuart Meridian's DSP8000
AFAIK, this active speaker is a sealed box (atleast reading the info posted on their website)
http://www.meridian-audio.com/p_d8k.htm
One more name to your list (a name who has perhaps been a pioneer in this active loudspeaker technique):
Boothroyd-Stuart Meridian's DSP8000
AFAIK, this active speaker is a sealed box (atleast reading the info posted on their website)
http://www.meridian-audio.com/p_d8k.htm