If you want to spot and remove any resonant frequencies much like a professional audio engineer does, but without your having to have been trained as an engineer or acquired years of experience as such, Sonible smart:EQ 2 just might help you out of your dilemma.
I use it whenever I need to see potentially troublesome resonances and in a hurry remove a few of them.
It regularly sells for $129 (US) at Plugin Boutique, while you can demo it without any obligation from Sonible.
If you immediately see it as a way to remove unwanted resonances, you may get it at Euro 69 right now with a Spring discount code.
The code is: SPRING-ME-UP.
The smart:EQ 2 software itself is available from the Sonible website: https://www.sonible.com/.
Pianoteq 8 Studio Bundle, Pearl malletSTATION EM1, Roland (DRUM SOUND MODULE TD-30, HandSonic 10, AX-1), Akai EWI USB, Yamaha DIGITAL PIANO P-95, M-Audio STUDIOPHILE BX5, Focusrite Saffire PRO 24 DSP.