The Heco Direkts certainly have interested me, they would probably be one of the speaker choices for me to demo if I was back in that mode. I think they could be a very good match for my Croft pre/amps. The price certainly is a cheaper when compared to kind of similar designs as Devore, Trenner and others.
The Audio Barn where I got them from also stock the Larsen so perhaps they like a type of sound.
I didn't listen to the Larsen having had omni directionals in the past, I do like a bit more focus.
The Heco do have some of the elements of a an omni speaker to my ears though.
They paint a broad, relaxed, and big sound for a forward firing speaker but with that bit of focus.
I'm running mine happily with an Oto SE but am tempted to put a big solid state integrated up them to see how they fair .