Small bookshelfs that reach 42 hz

I have owned B&W N805's and now the PMC's which utilize Dynaudio drivers and generally agree with your assessment on the 140's. The bass of my PMC bookshelves is surprisingly full and belies its dimensions. My PMC's which are TL design stays clean all the way to the bottom whenever I blast my music at high volume levels. At certain point of time I am worried the drivers might blow up but I'm impressed that nothing burns as yet. The N805's are losing control on the lower octaves in comparison and don't sound as tight and controlled. I don't use a sub to complement my speakers anymore in 2-channel and use it solely for HT duties.

However, floorstanders that are able to go down to 25-30Hz will always render a more full and complete sound compared to bookhshelves.

Good to hear you've found your right speakers in the Dynaudio.

Dynaudio Focus 110 or 140
ACI Sapphire XL ( can actually hit the 30's)
Totem Acoustic Rainmaker

All sport great tone, are listenable over an extended period of time, and sport excellent bass response that is both quick and tuneful.

What about Sonus Faber Cremona Auditor? I have auditioned them against a pair of 805 and there was no competition really. You will have to wait a bit to find them used.

Since I am assuming you are going to stand mount them, why not go with a spendor s5e. The profile it presents is no diferent than a bookshelf on stands and you get much better bass extension

I round it to be gorgeous tonally but it didn't boogie enough. The 6e floated my boat but the wife vetoed them. The smallest footprint floor stander that is really small that I've liked is the Totem Hawk. It's only 6.75" x 9.5."