AVS Special Member
Join Date: Feb 2004
Location: Plantation, Floriduh
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the 5400 is a power hungry dog......that LMT motor requires tons of power to operate, which is one of the weaknesses of this motor technology. However, it has a very low Le, it has ridiculous Bl vs Displacement characteristics, and if it matches or beats the older LMT15 drivers in terms of SQ (which I owned two of a while back), I can tell you that it should be a beauty of a driver. One thing we always seem to forget when we get caught in the numbers is the sound quality of a driver; there is a reason why the avalanche or tumults sound better than similar drivers.
My earlier recommendation stands: if you are paying regular price, then this is a no-brainer....get either 3 TC3000s in nice sealed cubes, power them with EPs or QSCs, throw a DEQ2496 for EQ+L/T, and place two up front and one nearfield, and you are in good shape.
ALternatively, the 2 Q18s for about $630 would also do wonders for you! Same thing, put them in sealed cubes, throw the aforementioned electronics, and you are ready to roll.
At $750, the LMS5400 18" is also an incredible attraction.....again, it has insane displacement, very high linear Bl vs Xmax, excellent SQ, etc....the down side, it needs power.