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Active speakers—ie, those that that have built-in amplifiers—are generally unpopular with audiophiles. One well-known speaker designer working on his state-of-the-art speaker contender told me at CES that he would like it to be active but marketing told him that it wouldn’t sell, so he’s staying with the passive design. I guess Precision Transducer Engineering (PTE) didn’t get the memo—or maybe they wrote their own . . .

I sought out Manley Labs, manufacturer of tube amplifiers and preamplifiers, at CES. The system in their room included a Music Hall mmf-2.2le turntable, the Chinook phono stage that impressed Michael Fremer last August ($2250), a Steelhead phono preamplifier ($8000), a pair of Snapper monoblock 100Wpc tube amplifiers ($7650/pair), which use four EL34 output tubes, driving Neat Acoustic Ultimatum XLS speakers. EveAnna Manley mentioned after the show that she was working on a secret, prototype1 DAC that promises "to beat all comers." I greatly enjoyed the audio I heard in the Manley Labs room at CES. I had to agree with the saying on the rug that appears at every Manley abs exhibit: "Tubes Rule!"

Over the last several years, whenever I’ve run into High Water Sound’s Jeffrey Catalano at a show, he reminds me that I have an invitation to visit his NYC salon for a proper listen. I smile, thank him, and honestly agree: Yes, we definitely have to get together soon. It’s gotten to the point now that we don’t even have to talk about it. I know what he’s going to say, he knows what I’m going to say. For no good reason at all, I still haven’t made it down to 274 Water Street.

In our November 2012 issue, Michael Fremer reviewed the Spiral Groove SG1.1 turntable ($25,000) with its complementary Centroid tonearm ($6000), an interesting unipivot design that places the pivot point and stylus in the same plane to increase the system’s overall stability. At CES, Spiral Groove showed the new universal version of the Centroid tonearm, a 10” arm with a standard mount. With the supplied setup jig and the Centroid’s easily accessible pivot point, users should be able to determine the correct spindle-to-pivot distance and “accurately set the geometry for overhang and offset angle,” said Immedia’s Stirling Trayle. The universal version of the Centroid tonearm is available now; price remains $6000.

Small and definitely cute, the new Chord DAC has SPDIF and USB inputs and unbalanced analog outputs. Priced at $1,795 and available now, the QuteHD also handles DSD files and can process streams up to 384kHz. Michael Lavorgna gets into the details in his recent review, but worth noting is that it features a field-programmable gate array (FPGA) to handle the digital to analog conversion process and to automate input selection.

Musical Fidelity had a large multi-room suite atop the Mirage, with multiple systems set up and optimized. One system was set up around the new M1SDAC which retails for $1,499 and should be here by April.

Inputs include all the usual digital suspects including USB that can handle 24/192. Since the M1SDAC also functions as a preamp, it has analog inputs which are sampled at 24/96. Outputs included unbalanced analog and digital.

But what caught my ear was the Bluetooth capability that allows you to wirelessly connect your Bluetooth device if it has audio files on it. Once received wirelessly, the Bluetooth stream is upsampled to 24/192 by the M1SDAC. Tempo Marketing's John Quick asked me to pull out my iPhone to see if there was some music I'd like to hear. Sure enough I had an uncompressed CD rip of Roxy Music's first album and within seconds it was playing over the system, tracks being controlled from my seat. Maybe not CD quality, but it sounded pretty good with a bit of crunch on the top end.

In the main system, the M6 DAC was holding court. Also Bluetooth capable, the M6 DAC runs USB, SPDIF and AES/EBU up to 24/192. All inputs are re-clocked and upsampled to 24/192 for processing and filtering. The filter has two user selectable settings and there are both balanced and unbalanced outputs. Retail price is $3,000 and the M6 DAC is available now.

This time John Quick decided we'd listen to an HD sample and cued up War's "The World is a Ghetto" from HDTracks.com to stunning effect.