Originally Posted by 1080c
Have you played around with WinISD and these subwoofers much?
I did try, but I'm not sure how well I did. I need to work more on that.
THEN, today I got an e-mail from the guy at NHT that is selling these. He said he made a slight mistake and they didn't have 12, only 7.
So, he actually upgraded my order to the 083 model at no extra cost. I thought that was pretty nice as the unit is $10 more.
They are a little bit different, but not much. Here is the link to the actual specs. Honestly, the vast majority of this is a bit Greek to me right now.
In his email, he mentioned that if I went sealed, the recommendation was for 2 cu ft per driver. He also said "This will give you an anechoic -3dB point of 30Hz. Room gain will drop the -3dB frequency even lower."
Obviously I have multiple ways to wire them, but he did mention this, which I believe is along the same line as Neo Dan mentioned.
"wire the drivers 6 in parallel, then both groups in series ( 3.17ohms at DC) or 4 drivers in parallel then all 3 groups in series (7.15ohms at DC). The actual impedance will be much higher than these values."
I'd like to get started on these boxes this weekend if I have the time.
I have read about people porting these 083 models, is there any reason for doing that if I have 12??? Or should I just keep it fairly simple with sealed and lots of power?