Thank you!
I find K so direct, clean, precise and clear due to the construction of a sealed box! And quite to the contrary to J's which are sometimes hard to control 🙂
I'll first clean the pot as it is easiest and will not change the tweeter, thank you!
And then will have to find time to open cabinets, examine crossovers and check parts ... Once I do that I'll post the crossover design ...