CES 2017

At CES 2017, Japanese manufacturer A&M Ltd. announced the expansion of their Air Tight amplifier line with the ATM-3211 all-triode, 120W monoblock ($72,000/pair).

A 2017 CES Innovation Awards honoree, the HiVi Swan MS-10 ($4000 per pair) is a wireless active stereo system that resembles no loudspeaker that I've seen. (I kept thinking that it looks like one of those "ergonomic" office chairs.)

Based in the Czech Republic, Acoustique Quality is a highly sophisticated loudspeaker design and manufacturing facility that uses the latest technologies, including 3D modeling, five-axis machining, high-precision cutter saws, etc.

In the YG Acoustics-Audionet suite, the sound on playback of Jake Shimabukuro's ukulele wizardry came closer to matching his live performance than in most rooms, perhaps as a result of the excellent match between the Audionet Max monoblock amplifiers and YG Acoustics Sonja XV loudspeakers.

In the D'Agostino exhibit, pure AC power was fed to the Progressive monoblocks by a Stromtank independent power source ($30,000): a 276-lb enclosure in which a 16-cell Lithium phosphate battery pack stores up to 4000W, ultimately to be converted to pure-sinewave AC.

Mark Levinson's engineers partnered with VPI's Mat Weisfeld (seen above) to develop the Mark Levinson No.515 turntable. The platter is belt-driven and the speed-control electronics are housed in a metal case under the 'table…