Help with TB w3-1053sc

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Hey gang, I'm having some trouble modeling enclosures for this nice little speaker. I got a great deal on them so I had to get a few, but I'm having troubles with LF response(imagine that!). I'm using winisd to find enclosure volume and port sizing, but everything blows way past xmax @200hz. I dont like what the graph shows when I play it safe...
It seems like the TB 3'' and 4'' full ranges do well in TLs, so I was wondering if someone might like to help me with some FR graphs. I use a mac and have only gotten so far as to use .xls worksheets. I would like to keep the size down to a minimum, so I kind of just guessed at these numbers:
Picture73.png


I think I could lay it out like this:

Picture72.png


Any thoughts on whether this (a small TL) is a better alternative to a small ported enclosure?
 
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