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Eficion’s distinctly shaped F250 loudspeaker ($9950/pair) combines an Air Motion Transformer tweeter with a 5” carbon-fiber midrange unit and a 10” woofer. The speaker has a high specified sensitivity of 90db and a frequency range of 30Hz–35kHz.

The speakers were partnered with Plinius (“The Heart of Music”) gear: the 125Wpc, Class-A SA-103 power amplifier ($10,125), M8 preamplifier ($5150), and Tiki 24/96-compatible networking DAC ($4775).

I wanted to better understand what I was hearing in the PranaFidelity/Musical Concepts room, so I asked PranaFidelity’s Steven Norber to tell me about his design philosophy.

Norber said something very interesting:

Merlin Music Systems’ Bobby Palkovic is having a better time than ever, and you could tell by the sound in his room, which was remarkably tuneful, engaging&#151neither too forward nor too laidback&#151and, most of all, fun.

“I like to take things to an end, and now I’ve gotten to a point where I’m beyond happy,” Palkovic said of his Master VSM loudspeaker ($13,600/pair), which are now wired with Cardas Clear cable.

Adding to Palkovic’s pleasure is his new relationship with digital music:

As familiar as I may be with the Playback Designs/Evolution Acoustics set-ups that Blue Light Audio's Jonathan Tinn brings to shows—one of these, with darTZeel electronics and much bigger Evolution Acoustics loudspeakers, received my Best of Show at T.H.E. Show Las Vegas a few years back—I constantly find myself amazed by the quality of the sound. This time, with Playback Design's MPS-3 DSD-capable high-resolution CD player with USB input ($8500); an Ampex ATR-102 open-reel recorder, restored by ATR Services, Inc of York, PA, playing 15ips master tapes sourced from ATR and Puget Sound Studios; and B.M.C. Audio's AMP CS2 integrated stereo amplifier ($8400) driving Evolution Acoustics' MMMicroOne 2-way monitor loudspeakers with stands ($2500/pair), the sound of a Shelby Lynne demo safety copy of her new album, provided by ATR Services, blew me away with its solid bass, powerful slam, and great depth. True, there was a bit of an edge on Lynne's voice, but it may have been room-induced, and sure didn't stop me from writing "OMG" in my notes.

It was nearing the end of the day of the first day of the show, and I hadn't covered nearly enough exhibits to ensure blogs for every room on floors 4 and 5, plus a number of others that I had agreed to cover. That, I figured, was why I found myself increasingly breathless as I ran from room to room, listening to less and less music before jotting down a few notes and heading out the door.

Then I entered the Coincident Speaker Technology room, heard some gorgeous music, and realized the underlying reason for my near-frantic pace.

When I entered Vienna Acoustics' room, their new Beethoven Baby Grand Symphony Edition (SE) ($4,500/pair), set to ship in November, was playing everything but Beethoven. Thanks to Boulder Electronics' 865 integrated amplifier ($12,500) and 1021 CD/Net DAC ($26,000), the latter streaming music from a Macbook Pro; IsoTek's Sigmas power mains filter network ($3,000); and Analysis Plus Silver Opal cabling, Jack McDuff's tenor sax filled the room with lovely, warm sound. The untreated room was not the kindest to the speaker's bass response, but everything above sounded great.

I don't know if it's a case of careful component and/or cable matching—Wilson Audio, after all, favors VTL electronics and Transparent Cabling, and Spectral always dems with its own, MIT-manufactured cabling—or just better engineering, but my experience of Teresonic single-driver loudspeakers has shifted dramatically for the better over the years.