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What is the best sequence in which to run REW? One sub at a time? All three together?
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Yeah, this is a tough one.
Let me say this first. Trying to mix a monster like the 5400 with a couple of 12" subs would be considered a poor idea. Others may certainly disagree.
The trouble is that you'll get reinforcement in the areas where the responses match (and that's good), but in the areas where the 5400 stands alone (at VLF), you don't get the reinforcement, so the overall response suffers. You'll find you're better off with the 5400 by itself. I would try placing the 5400 in the corner and see how it sounds solo.
This is a standard problem when someone steps up the food chain in the world of subs and feels there's just got to be a use for my old subs....................
That said, if you are trying to setup three subs, you really should EQ the 5400 by itself on one channel of the BFD and then co-locate the other two subs, and EQ them with the other channel of the BFD. Don't worry about level (except for REW setup levels) until you have EQ'd each channel separately and then played them together and tackle the tweaking that will be required to smooth it all out.
Then setup the levels with your receiver test tones and the sub amp volume controls to match the mains. Then you must also ensure the crossover area is clean by adjusting phase where possible.
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I don't have any high pass filter built into the system for the LMS5400, can I somehow use the BFD for this?
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No. What's the 5400 tuned to - you may not need a hi-pass. If it's tuned low enough (read LLT), then the electronics rolloff will become a reasonable substitute. Heck, you can even play with the input filter of the ART box and tune your own hi-pass. Easy..
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What about using the Rhythmiks for midbass
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I'm sorry to say that I think the whole
mid-bass theory is a bit wacky. Others may recount their anecdotes and sell you on the idea, but be ready for a lot of tweaking.......
Anyway, that's a great response you have posted that will EQ quite easily. With that sub, I would extend my horizontal scale down to 10Hz........... Interesting to see how low the 5400 goes.
Your the first person I know who has a
TC Sounds LMS5400. Wow, what a driver... What size is the box etc, etc. Let's see a pic...
brucek