...there is no cure for a speaker you do not like... however, room placement/treatment can make a HUGE difference (you probably knew that...). It seems you were experimenting with these on a whim (nuthin' wrong with that!) but not satisfied due to the excessive/bad tweeter output...

So... a freebie you might wanna try - drape one, two, or however many sheets of toilet paper it takes to quell the ornery beast. Not pretty, but very economical.

I find Charmin very open, whilst retaining the the subtle.... O.K., I'm kiddin...

Let us know!