Soundstage and explosive dynamics?

There is no doubt all of the fantastic speakers you listed have very good bass. The thing is the OP is asking for "explosive" dynamics with force and surprise. Even my 200lb 6ft tall floorstanding speakers with 4 x 8 inch woofers are not capable of startling or surprising me, if anything the bass response is expected and balanced. My recommendation of large used JBL synthesis has no personal bias or ownership experience behind it, they just happen to make a speaker that could tick every box for the OP. Any speakers that have shocked or downright intimidated me have been speakers with large, usually high efficiency paper woofers. Spatial M3 Turbo S in a large room and a powerful amp are capable of hitting you in the chest bass but IMO fall short with the refinement the OP might be looking for. I don’t feel there is much depth to the soundstage compared to a something like an ATC. Clayton’s higher end models may very well be the full package. With a less than 10k budget options are limited.

Rbstenho  I agree speakers with multiple smaller woofers can go very low and clean in the bass.  However these speakers almost always are less efficient  so they do not have the best dynamics. The op asked for explosive dynamics and that is where you need efficiency.  
 People are confusing deep bass and dynamics in this thread 

Explosive and dynamic sound has a lot to do with the room acoustics and how loud your amplifier can drive the speakers without distortion. I know this may sound heresy but any speaker costing more than $2000 should sound real good if paired with a great amplifier.

Hi, I’m looking forward to your findings. Wish #4 , certainly throws a huge curve ball ! Anyway , I heard a friends system, Westlake BBSM-15’s bi amped with a pair of Bryston 4BSST’s . He picked up an almost dead pair from a studio that had shut down . They were flat black . He refinished the cabinets and had the ( JBL ) drivers rebuilt at Orange County speaker . To me the older big JBL studios sound better than the new stuff. You will need a lot of power and some room treatment too . I saw Supertramp play at a restored theatre in Fresno when they first toured . They played “ Crime of the Century “ just like the album . I’ve been trying to capture that sound ever since! There is a guy named “ Chip “, he is on EBay as “ Rumdog”. He’s an old school JBL fanatic. He runs the 44XX series bi amped . Last year he was selling some Everest . He offered me a pair of JBL L 300’s restored for $5k. I’m at 559 392-5209. Text me for his number . He loves to talk and he is a wealth of knowledge . As far as trying you meet all your criteria, I started like you, and now my JBL’s are in the closet ( not for sale ). But to get it all and have the beautiful audiophile smoothness , Big System and Big Bucks . So on a budget , restored JBL , bi amped with a tube mid/ upper and SS in class A/B or class D. Run an active crossover and use room correction . And please share your results . Thanks , and Happy Listening , Mike B.