Vibration with new Uukha Alphas

I purchased a set of super long Uukha Alpha for my Kinetics Vigo riser. I’m noticing more vibration compared to my old medium Win Explorer limbs. So much so that it’s loosening the adjustment screws on my plunger and arrow rest.

I’ve added some limb savers; I aligned my limbs vertically and on plain; I’ve followed Uukha’s recommendation to max out the poundage, run a neutral tiller and have set my brace height to their recommendations.

At the moment the noise has decreased and the vibrations seem to have lessened, but I’m getting like a 3-5 second reverb. Any suggestions? Is reverb from the string normal. I never noticed it with my other limbs.