| Re: LLT/EBS sub design help
One thing to realize here is that you won't get very good results with either tuning using only one of these subs, there just won't be enough output, and you'll have lots of compression and/or bottoming. At the very minimum, even just for the sake of testing, you'll want to build two subs (4 drivers), and even that won't be all that great. Just want to make sure you are aware of that.
To give you an idea, with all four subs (8 drivers) and ~1200 watts, you'll only then be approaching the neighborhood of the capabilities of a single high excursion 15" driver LLT.
If you are up for different options, then I'd raise the tuning even a bit higher, say 18 cubes, 20hz tuning, a 16hz highpass, and ~2000 watts. That way they will at least be able to handle 20hz+ competently.
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