I suspect the dip was between 32 and 45 Hz. One of the advantages of the SigTech (or the TAct in this case) is to carefully move the speakers and listening position and remeasure until you can reduce the amplitude of the dip in the low end.
I had the exact same problem (I use a SigTech, and was able to get the dip to about 5db by moving stuff around. The SigTech would fix it all but I chose to only fix part of it (modified the target curve).
Having Dunlavy send you measurements is not going to solve the problem.
I had the exact same problem (I use a SigTech, and was able to get the dip to about 5db by moving stuff around. The SigTech would fix it all but I chose to only fix part of it (modified the target curve).
Having Dunlavy send you measurements is not going to solve the problem.