I'd vote for the Strauss with Rowland electronics. This is a great combination with tons of musicality and transparency. Most of the VA speakers demand a relatively strong amp to show their best.
The Tandberg piece does not have the current to drive the 5.4's approprately, this is the reason why they cold but give them enough current and there won't be any issue. The Esotar2 tweeter is incredibly detailed and does not create any listening fatigue but also does not suffer from the break up at high frequency like many soft domes remaining thus distortion free.
I believe that the Dynaudio is already sold so....but this is something that is kinda sad, since when audiotioning a speaker which are badly matched you will not see the speakers potential.
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