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Discussion Starter #1
Let me start by saying that I've read countless threads and tried my hand at winisd, but I'm not having much luck so I'm asking for assistance. My project consists of 1 15" TC Sounds TC-3000 DVC driver, 2 15" vmp passives and 1 18" passive. I know it sounds a bit off that I'm not using the same size passives but the simple explanation is that I could not find a second 18" after purchasing the first one. After bracing and displacement, I'm working with 4.8 cu ft and would like tuning @ 16hz. I'll be using am antimode 8033 for room calibration. So I guess I'm asking for help calculating how much weight to add to the passives.
 

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Discussion Starter #3
I'm not aware of how to model two different PR's in the same cabinet. From a design point of view you wouldn't need the 18" PR, the pair of 15" PR's would be plenty for the 15" TC-3000.
Thanks for the info. The enclosure is already built and I have no plans to redo it. I've got it tuned to 18hz now which I can live with.

Here's a clip for those interested. I plan on starting a build thread shortly.

 

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Discussion Starter #5

Can you add more mass to the PR's to achieve the 16 hz tuning you want?
I can bit I'll leave it the ways it is until I can get it home properly filter it. It sounds quite good the way it is though.
I can but I leave it the way it is until I can get it home and properly filter it. It sounds quite good the way it is though.
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