Impressive at 90! Do you have monitors? I find the same at my age. It gets better when I mix through Yamaha HS7s. I pay a bit more attention in toning down the treble in my studio. These particular monitors bode well with my QSCK8.2s live too.
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Yamaha 920 / Yamaha DGX-670 / Maui 5 Go (2) / Senn e935 / Sony C80 / Tascam DP24sd / ATEM Mini Pro switcher (studio)