| Dip at 138 Hz, HELP
Hi there,
a small problem: there is a huge dip at 138 Hz in my otherwise not so bad curve. The dip is room-dependent and I haven't been able to figure out what to do with it. The dip is very audible when listening to sweeps when measuring. Frequency sweeps are not really my favourite music, but even with 'real' music there seems to be something missing around 138 Hz.
Any suggestions?
The attached graph shows the subs, the mains and the subs + mains combined. I haven't tweaked the subs responce all that much yet, getting a flat curve is not too hard in my room. The dip causes me more headache.
BTW: the room is very lightweight, all walls, the ceiling and even the floor ( the room is in the attic) is made of tree. I still suspect (or rather know) that the dip is room dependent, but what to do about it?
Regards
Leif/Finland
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