- Jul 18, 2019
- North Alabama
The 225 Hz resonance is interesting -- hard to see anything there in the spin other than a small dip (the one at 1.7ishK is obvious). But you can see in MZKM's normalized horizontal plot that there is some clustering going on at that frequency -- just hard to imagine such a small thing would have such an audible effect!
This stuff always stands out to me. I blame it on my car audio upbringing where getting good midbass is the single hardest thing I think anyone can do. Harder than climbing Mt. Everest, even.
But seriously, trying to learn how to tune midbass in a car has made me more aware of midbass issues. Kind of like how someone who has experience with a particular instrument may always be more sensitive to issues with the reproduction of that in the recording or the speakers.
It has been my experience that even mild FR disturbances in the LF region are very audible. ((Maybe it is because the notes played here are often so succinct. A guitar is likely to hit an exact note; a human will span a few octaves when singing. So when the bass guitar hits around one of these resonances you hear the speaker light up.)) I have had similar experiences with other speakers that show impedance blips that indicate a standing wave. The Klipsch Heresy IV had a resonance around 110Hz, IIRC, and it was unbearable with male vocals.