![]() Put it in a larger sealed box and thump the cone- you'll find that it vibrates at a different frequency. Put a woofer in a small, sealed box and thump the cone- the air inside will vibrate at a certain frequency. To give you an idea of what that spec means, it's called 'equivalent volume' and it relates to the 'springiness' of the suspension. Add the high compliance and Xmax and it definitely shows a need to be in a sealed enclosure. Looking at the parameters in the other thread, the Vas alone tells me this woofer needs to be in a sealed enclosure. A much better vented box would be about 4 cubic ft.Ĭlick to expand.They're right- the answer is No. In any case, you would be better served with a smaller box. Without knowing how your subwoofer crossover is designed, can only speculate on what other issues you might hear. The design has an ugly group delay and other issues. However, despite the cabinet size, you are not getting the best performance from that woofer. My earlier calculations were for a cylindrical vent. If am correctly understanding your stated box size, that vent is tuned to 20 Hz. Ps Missed this further on in your thread: Some box/driver combos do use protective high pass filters below tuning.some don't need it.and you may not have content that low to worry about it.yet? While needing eq to get to subwoofer territory, the box would be much easier to get right." This would be a difficult box to do well as it needs really thick walls and significant bracing.Īs stated earlier, a more optimal box for this subwoofer is a 2.5 sealed one. These results are BassBox Pro simulation.īassBox Pro set for extended bass requires a 7.4 cu ft box tuned to 20 Hz. "Right now, your box is tuned to about 13 Hz. Looking at your other thread did some calculating for you and arrived at the conclusion your box was tuned to 13hz for your driver:
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