I didn't get close enough to see whether the top of this speaker is simply a rack for some spare drivers one might have around; or part of the active driver artillery.

Accuton drivers are popular with many speaker brands, here the Ether Ceramique.

Focal's big ground-floor room was so full on Saturday, I had to default to a camera-above-the-head shot.

On Sunday, I managed to get closer to see the big Soulution amps.

Tenor Audio and Marten Design.

Franco Serblin speakers in the Golden Tulip hotel.

Cary amp and Harbeth boxes...

... or Rogue and Harbeth?