ESOTERIC K-05 CD Player
The World's Best Transport Mechanism: VRDS-NEO VMK-5 Improves Reading Accuracy
Esoteric's unique VRDS-NEO VMK-5 transport mechanism incorporates a high-precision turntable that greatly improves reading accuracy by mechanically correcting for disc-surface run-out. The hybrid construction integrates precision-machined aluminum with polycarbonate to help minimize rotational inertia. Formed of high-rigidity BMC (Bulk Molding Compound) and steel, the hybrid turntable bridge also makes a significant contribution to the suppression of rotational vibration and run-out. In addition, the transport's spindle motor realizes further improvements in reading accuracy with an advanced servo control that uses rotation-detection circuitry. Mechanical operations – such as opening and closing the tray and clamping the disc – are performed by a unique differential gear system.
In the Footsteps of Grandioso K1: New Dual-Mono DAC
Fully redesigned based on the platform used in Esoteric's Grandioso K1, and centered around Asahi Kasei Electronics' high-end AK4493 32-bit DAC, the K-05Xs' DAC analog output circuitry features excellent high-end resolution and natural musical texturing. Four converters are used in each channel in a parallel differential configuration, to provide class-leading linearity and extremely low distortion. Additional buffer amplifiers are placed immediately after the DAC outputs to provide more powerful bass and better reproduction of low-level signals. The layout of the DAC power section is also revised to deliver further improvements to the quiet operation.
34-Bit D/A Processing Translates into Optimal Musical Expressiveness
Employing a 34-bit D/A processing algorithm with an encoding resolution that is an astounding 1,024 times greater than that of 24-bit encoding, multiple 32-bit DAC devices are combined to convert the high-resolution 34-bit PCM signal to analog. In the digital range, high-bit data gradation minimizes calculation errors and provides faithful conversion to analog, attaining outstanding powers of expression with even extremely small music signals.
USB Audio: Asynchronous 22.5MHz DSD and 32-Bit/768kHz PCM
K-05Xs is equipped with a USB interface to allow it to receive digital data from a computer or an Esoteric N-03T Network Transport. The USB driver and Esoteric HR Audio Player playback software may be downloaded free from the company's website. K-05Xs supports DSD rates up to DSD512 (22.5MHz) and PCM data up to 32-bit/768kHz. The USB interface also supports the Bulk Pet protocol to allow for studio-quality playback.
ES-Link Analog: Audiophile Current Transmission Analog Interface
As well as the standard XLR and RCA analog inter faces, Esoteric's proprietary "ES-Link Analog" analog interface is also fitted and this is incorporated into the XLR output circuit. This takes advantage of the high current drive capability of the HCLD buffer circuit, making it less susceptible to the effects of the impedance of the signal path and enabling the audio signal to be transmitted with improved clarity and dynamics. The maximum potential of this system is obtained when it is used with compatible equipment such as Esoteric's F Series integrated amplifiers.
A Re-Engineered Power Supply to Write Home About
Together with the D/A converter and output buffer amplifier, the quality of the power supply plays a key role in achieving high sound quality. In K-05Xs, this has been re-engineered to provide greater stability and lower noise, combining a large toroidal power transformer with new capacitors designed for exceptional sound quality and a set of super EDLC capacitors. K-05Xs' set has an extremely large capacity of 330,000μF, enabling the power supply to provide each section with a clean and stable power source.
High-Precision VCXO Clock for Serious Accuracy and Sonics
K-05Xs' high-precision VCXO (voltage controlled crystal oscillator) supplies a highly accurate reference-clock signal to the digital circuitry. The large, custom-designed VCXO is jointly developed with Nihon Dempa Kogyo (NDK), a leading manufacturer of crystal oscillators. Incorporating an unusually large crystal element, the VCXO realizes both excellent center accuracy (±0.5ppm) and extremely low levels of phase noise to ensure exceptional sound quality.
Freedom of Connectivity Via Digital Inputs
Three digital inputs (USB, coaxial, and optical) enable connection to a wide range of systems. Coaxial and optical inputs support DSD 2.8 MHz (DoP) input and up to 24-bit/192kHz PCM.
External Clock Sync Ability
Connecting K-05Xs to a high-precision master clock generator (G-01, G-02) allows synchronization of its operation with an external clock signal, thereby enabling an upgrade of system sound quality. Compatible with 44.1/88.2/176.4kHz input frequencies, both the 10MHz and 22MHz direct master clock linkage and external clock synchronization are supported for digital optical and digital coaxial inputs, as well as when the USB input is used.
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