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Old 21st April 2004, 12:21 PM   #11
diyAudio Member
 
Join Date: May 2002
Location: Switzerland
I once read a review on one of their domestic subs in an Aussie HiFi mag and it got quite good critics. There was also a picture of it with the bottom removed (I attached a drawing of how I remember it). The reflex tunnel is heading into the slot as is the driver's frontal output itself though around this double-Y thingie, the latter forming something like an acoustic lowpass. All in all this is another form of a bandpass IMO.

Regards

Charles

Edit: If you have a closer look, then they mention several times that they take room gain into consideration already at the design stage. This way it wouldn't be that difficult to achieve those efficiency/fc figures !!!!
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