Esoteric K-07X Super Audio CD/CD Player

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From £4,166.67 (FREE UK Delivery)
Item out of Stock  |  Usually dispatched within 24 hours
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Reborn with a new 'X' designation, the K-07X commands a central role in Esoteric's superb lineup of Super Audio CD players, and should really be considered 'all-new', having been infused with the very essence of our flagship Grandioso models.
This new player achieves the very tenets of Esoteric's design philosophy, conveying to the listener all the emotional expression of music without a hint of stress.
With a totally revamped audio electronic circuitry, this new 'X' models eschew all compromise, and renews the lineage of the K Series.
The unique VRDS-NEO VMK-5 transport mechanism featured in this new player incorporates high-precision turntable that greatly improves reading accuracy by mechanically correcting for disc surface run-out. It's 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. 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. This proprietary Esoteric technology ensures exceptionally smooth disc loading operation.
The D/A converter's analog output circuitry features both excellent high-end resolution and natural musical texturing that only high-end components such as  Esoteric’s K Series SACD players can offer. Centered around Asahi Kasei's high-end AK4490 32-bit DAC, this circuitry accentuates the expressive power of these players with 4 parallel/differential circuits and 8 outputs driving each channel—twice that of conventional players in terms of circuit scale—to further enhance sound quality with excellent linearity and low distortion.
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 were combined to convert the high-resolution 34-bit PCM signal to analog. In the digital range, full advantage is taken of high-bit data gradation to minimize calculation errors and provide faithful conversion to analog, thereby attaining outstanding powers of expression with even extremely small music signals.
Playing a critical role in the superb sound quality achieved by these new 'X' version SACD players, further improvements were also made to their analog output circuitry. Providing excellent current transmission capability as well as a strong drive output, both players now employ Esoteric-HCLD Type 2 buffer amplifier circuitry like that first used in such high-end models as our C1 Linestage Preamplifier. Two of these buffer circuits are installed per channel and configured differentially to drive the XLR outputs, and in parallel to drive the RCA outputs. By transmitting the wide dynamic range of the musical signal in its entirety and providing a strong drive to connected equipment, the full dynamism of music is recreated with a sense of realism that will take your breath away.
The K-07X uses a full-sized EI-core transformer and is custom-designed to ensure excellent sound quality. High-output power supply circuitry further combines with an array of large capacitors to provide clean and steady power to all circuit blocks.
A high-precision VCXO (voltage controlled crystal oscillator) supplies a highly accurate reference clock signal to the digital circuitry.
Connecting the unit to a high-precision master clock generator (G-01, G-02) allows synchronization of the unit's 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 10MHz and 22MHz direct master clock linkage and external clock synchronization are also supported for both digital optical and digital coaxial inputs, as well as when the USB input is used.
Technical Specifications:
Compatible Disc Types:
  • Playback - Super Audio CD, CD (including CD-R and CD-RW)
Analog Audio Outputs:
  • Connectors - XLR connector (2ch) ×1 / RCA connector (2ch) ×1
  • Output impedance - XLR: 20 Ohms / RCA: 20 Ohms
  • Maximum output level (1 kHz, full-scale, into 10k Ohms) - XLR (set to 0dB): 5 Vrms / RCA: 2.5 Vrms
  • Frequency response - 5 Hz to 70 kHz (- 3 dB)
  • S/N ratio - 117dB
  • Total harmonic distortion - 0.007% (1 kHz)
Digital Audio Output:
  • Optical digital connector x 1 - -15 to -21 dBm
  • RCA connector ×1 - 0.5 Vp-p (into 75 Ohms)
  • USB-B port - USB 2.0 standard
Digital Audio Input:
  • RCA connector ×1 (input impedance 75 Ohms) - 0.5 Vp-p
  • Optical digital connector ×1 - -24.0 to -14.5dBm peak
  • USB-B connector - USB 2.0 standard
Clock Sync Input Format:
  • Connector - BNC
  • Supported input frequencies (±15ppm) - CD/SACD: 44.1, 48, 88.2, 96, 176.4, 192, kHz, 10/22.5792/24.576 MHz
  • Input impedance - 75 Ohms
  • Input level - Rectangle wave: equivalent to TTL levels; Sine wave: 0.5 to 1.0 Vrms (50 to 75 Ohms)
  • Power supply - AC 230V, 50Hz / AC 120V, 60Hz / AC 220V, 60Hz
  • Power consumption - 23W
  • External dimensions (W x H x D, including protrusions) - 445 mm x 131 mm x 355 mm (17 5/8″ x 5 1/4″ x 14″)
  • Weight - approx. 14 kg (30 7/8 lb)
Included Accessories:
  • Power cord set x 1 / Remote control (RC-1251) x 1 / Batteries for remote control (AA) x 2 /  Owner's manual x 1 / Warranty card x 1

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UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Non Mainland locations - Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland may take a day or so longer and are not Free of Charge. Smaller items are delivered using Royal Mail recorded delivery or special delivery. Larger items are delivered using a courier service such as Interlink Express, DPD, UPS or DHL. 

INTERNATIONAL ORDERS: We offer competitive rates which can be confirmed by email. Please just ask – we will need a full delivery address and telephone number. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using DPD, DHL or UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Turntableworld or by the courier with a request for any further information required. Customs duties do not apply for shipments into any EU country (for a full list please refer to the EU Country List). Customs duties can apply for countries outside of the EU. Customers in these countries are responsible for all taxes and duties incurred when the items enter their country.

COLLECT IN STORE OR HOME INSTALL:At the request of the manufacturer some items cannot be supplied by mail order but you can click and buy them and then elect to collect them from our store or arrange a home install (if applicable). Applicable items clearly state that they are Collect in store or home install. Once ordered you will receive a message prompting you to contact us by phone or email to arrange for us to deliver and install or to reserve and collect from our store at your convenience, you will also be advised of the delivery time / stock availability as not all Home install / collect in store items are held in stock. 

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