Esoteric K-01X-The Silver Disc lives on!
How we consume recorded music has been evolving steadily over the last 40 years. From analog records and tapes to the CD and now coming into its own, wireless streaming, from which I have found great success in the form of the Krell Connect streamer. While it is true analog records still enjoy a relatively small yet fanatical following, it is clear that streaming is the way of the masses and will carry us audiophiles along well into the future.
Caught between these disparate mediums we find the ubiquitous CD, the most prolific music carrying medium in the history of mankind while also, the most derided. Without airing out all the historical criticisms leveled against 16-bit playback, let’s just say many music lovers of the day found the sound lacking something inherently necessary to allow a real connection to music. Despite my exposure to some great high-end digital efforts from some of the most creative minds in audio engineering, I have to admit there has always been something lacking in CD playback. The closest I have come to ultimately soul satisfying CD sound came from the Linn Sondeck CD12 of some years back and most recently, Esoteric’s own K-07 I reviewed last year. The K-07 impressed me with its relaxed flowing, grain-free sound, though with the K-01X, we have a CD/SACD-based device that delivers such a densely rendered picture of the music, so complete and compelling a presentation as if all the nooks and crannies left by lesser players have been filled in with previously unresolved information. And that is with standard CD’s. Compared to the K-01X, the sound in my memory of the CD12 is a bit homogenized.
Let’s take a minute to become familiar with the K-01X. First off, the thing weighs a ton, well 68 lbs. at least. It is by far the heaviest CD player I have ever had to lift into place. The K-01X has all the inputs and outputs necessary to hold the court in any sophisticated system. According to the Esoteric website, “The USB input supports asynchronous transmission and rates up to 2.8/5.6 MHz DSD and 384 kHz/32-bit PCM. Esoteric’s original PC driver software provides playback of even studio-master-quality source files. DoP and ASIO 2.1 are also supported. The culmination of Esoteric’s most advanced mechatronics know-how, the VRDS system radically improves the reading precision of Super Audio CD/CD discs by mechanically correcting for surface run-out. The K-01X’s VRDS -NEO VMK-3.5-20S drive also features two sets of specially selected ball bearings supporting a duralumin turntable constructed to micron-level accuracy, and a 20mm-thick steel turntable bridge. The combined mechanical structure weighs an impressive 5.2kg (12kg including the rigid base).
The drive employs proven Esoteric technologies, including a high-ﬂux-density magnet-driven coreless three-phase brushless spindle motor, a thread feed control derived from the thinking behind the P-0, and a shaft-sliding pickup which consistently illuminates the disk with a precisely perpendicular beam of laser light. Additionally, the disc tray features a silent shutter mechanism that further ensures the ultimate in operating precision.”
“The D/A converter uses the same design philosophy as our Grandioso D1. Incorporating Asahi Kasei Microdevices Corporation’ s 32-bit AK4495S DAC IC and MUSES 02 operational ampliﬁer, this exceptional DAC uses 8 parallel/differential circuits with 16 outputs driving each channel to achieve outstanding linearity and low distortion.
Like the Grandioso D1, this D/A converter also features fully independent power transformers and power supply circuits for each channel to create a true dual mono conﬁguration. The generous power supply capacity and total channel separation enabled by this arrangement provides excellent dynamics, with realistic stereo imaging and exceptional resolution of ﬁne detail.”
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