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At every CES, I seem to find out on the last day that there was something I should have checked out. And, sure enough, on Friday afternoon, I’m talking to Wayne Schuurman of the Audio Advisor, who mentions that Magico has a new speaker that’s about $13,000/pair.

Distributed in the US by Colleen Cardas Imports, the new Moos Mini Aero speakers ($2499/pair) represent a serious attempt to get good sound from powered wireless speakers. Founder of the Australian company, Tom Celinski, shown in the photo and once with Linn, told me that the two drive-units are ScanSpeak Revelators and, in fact, the speakers are assembled by ScanSpeak. A USB2.0 interface guarantees bit-accurate transmission of digital audio at up to 24bit/96kHz. The wireless data are fed to a DSP-based digital crossover running on Analog Devices SHARC floating-point chips. Thee crossover in turn feeds the data for each drive-unit to a quad mono differential Wolfson DAC which drives a Hypex 200W class-D amplifier module. The sound was open and spacious. The speaker, which was honored with an International CES Innovations 2013 Design and Engineering Award, is scheduled to start shipping in April.

T+A (Theory and Application) is a German audio company best known in North America for their electronics and source components, not their speakers. That’s about to change with the appointment of Dynaudio as T+A’s North American distributor, and the introduction of the T+A Criterion line of loudspeakers. Asked whether Dynaudio—which, of course, is a loudspeaker manufacturer—has collaborated with T+A on the design and/or manufacturing of their speakers, Dynaudio’s Mike Manousselis quickly assured me that Dynaudio functions only as the distributor for T+A; the T+A speakers are manufactured entirely in the T+A factory in Herford, Germany. Dynaudio makes loudspeaker drivers that are used by quite a few speaker manufacturers, but T+A is not among them.

Using the same treble and upper-midrange Air-Motion Transformer units as the Class Column 3 that Bob Deutsch writes about in the next story, the much more expensive Tensor Beta Mk.2 ($35,000/pair) adds new lower midrange unit and woofers, all with Hexacone diaphragms. The massive, cross-braced MDF enclosure features a 22mm-thick aluminum baffle and the interior walls are faced with a unique plastic-honeycomb substance with the cells filled with steel shot. The shot very effectively absorbs vibrations.

Invented by Oskar Heil and made popular by speakers under the ESS name in the ‘70s, the Air Motion Transformer (AMT) tweeter and midrange have lost popularity for a while, but have made a major comeback in speakers made by a number of manufacturers, including ADAM Audio in Germany. The Column Mk.3 ($7000pair), reviewed by Kal Rubinson in August 2012 was used by Cary Audio at CES, and had what I now think is a sonic signature that’s apparent in a variety of loudspeaker designs: low in coloration and detailed without being overly bright.

I had auditioned the Estelon X-Diamond speakers ($65,000/pair) at the 2012 Newport Beach Show, but the room there was not allowing the speakers to sound at their best. Driven by top-of-the-line, class-A Vitus amplification, these speakers, which use the 1.2" Accuton inverted diamond-dome tweeter, along with a 7" Accuton ceramic-cone midrange unit and an 11" Accuton ceramic-cone woofer, sounded much better at CES, even though the dem room was one of the infamous split-level rooms at the Venetian.

Listening to the big MartinLogan CLX full-range electrostatics ($25,495/pair) at the June 2012 Newport Beach Show had been a high point for me, though they were being demmed in too large a room. At CES, the CLXes were in a smaller room, and were being supported by a pair of MartinLogan's Balanced Force 210 subwoofers. Amplification was by Cello and the source included Berkeley's Alpha DAC. I sat down to listen to a 176.4kHz file of Respighi orchestral music from Referenece Recordings, but sadly it was not possible to form much of an impression, due to the conversations competing with the music.