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"It's the only loudspeaker under 6 figures with a beryllium midrange diaphragm," Paradigm's Erin Phillips told me about the Paradigm Concept 4F (price not set, but expected to be under $40,000/pair), a speaker that has been forthcoming since last May's Munich High End, and probably won't arrive until late summer/fall 2016. The Canadian-crafted, full-range loudspeaker combines four powered 8.5" woofers—two front-firing and two rear-firing in "vibration-cancelling configuration"—with passive TruExtent® 1" beryllium-dome tweeters and 7" midrange drivers.

Now this is an interesting one. Using the same Dan D'Agostino Momentum monoblocks ($65,000/pair) as in the Wilson Alexia/dCS suite in the Mirage, albeit with the new case work; the same dCS Rossini player ($28,499) and Rossini Clock ($7499) as in that room, and whose sound I know quite well because I've spent considerable time with the player in my own listening room; an even higher Opus level of Transparent Cabling than in the Wilson/dCS suite; and the not too shabby Dan D'Agostino Master Audio Systems Momentum preamplifier ($32,000), EgglestonWorks' Ivy Signature SE Reference Series loudspeakers ($155,250/pair) made an entirely different impression.

I've been variously enamored and critical of the sound of Acapella loudspeakers and electronics on previous occasions, but here, in a space I would have considered too narrow to be optimal, the German-handmade Acapella Cellini ($55,000/pair) sounded excellent. Never before shown at a US show, the Cellini stands out due to its hyper-spherical midrange horn. (The Acapella Violin, for example, has a spherical horn.) It also has Acappella's TW1 ion tweeter, and claims an overall frequency range of 28Hz–40kHz , and a sensitivity of approx. 91dB/W/m.

The picture shows the inside of Nagra's new HD Amp, whose 6 output devices are specified as driving 270W into 8 ohms, 1kW into 2 ohms. The HD Amp was on passive display, but Nagra's all-Nagra component chain, feeding Wilson Audio Sabrina loudspeakers, made quite a favorable impression.

VTL Amplifiers, Inc. introduced the $3000 TL-2.5i Performance Preamplifier at CES 2016. It features 6 line inputs, an optional $2000, internally retrofitable phono stage, two pairs of outputs, and a tape loop.

Quad electrostatic loudspeakers have been unavailable in the United States retail market for the past few years because there has been no importer. In the past 12 months, MoFi Distribution has stepped up to develop a dealer network and provide service. Jonathan Derda, Mo-Fi's National Sales and Marketing Manager, described the new service center in Fairfax, Virginia that will service all vintages and versions of the loudspeaker.

Finished in Lancaster Grey, the Quad PA-One headphone amplifier is a full-tube design, with a built-in DAC.