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sure, i'll play. these measurements don't really apply anymore because i've since gotten a new avr and re eq'ed like a hundred times. but i think they do a decent job of showing how easy and effective a bfd can be. the first two graphs are of a diy sub i did using an old jl 12w0 and an old klh 100 watt plate amp in a 5.4 net ft^3 box. the second two are my bic h100. target curve has a 6db 30hz to 80hz "hard knee" house curve applied to it. both subs are in the same spot - front of room, about 4 feet from one side wall, 7 from the other. room is ~11w x 19d x 7.5 h (old finished basement turned dedicated theater). listening position is about 13 feet back from the front wall, slightly off center to the left side.
 

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