That does sound good.
Is your Mesa inherently bright? The issue with my Super is it’s really tough to dial in just enough bass and treble. My CE24 sounds awesome right now, but the single coil 305 is an ice pick. I think if I nuked some of the highs, it would help.
Not to mention, the speakers are almost 50 years old, and I need to get it up to around 7 to get the drive going.