Let me thank you all, your advice is very helpful, even though I have received diverse and conflicting opinions from each other - that's fine.
I listened neatly twice to the new model for the Harbeth SHL5plus XD, twice for the outgoing model Harbeth Super HL5 plus 40th Anniversary and several times for the Spendor D9.2. I did not listen neatly to the harbeth M40.3 xd (new) and the Spendor Classic 100.
Today I listened to the Spandor 9.2 and its twitter sounds a bit slightly sandy-grained to me, if a little more energy than desired, so... the speakers right now are the Spandor Classic 100.
I spoke and received a warm recommendation on PIEGA 711 What do you think?