Esoteric ES-Grandioso K1X SACD/CD player
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 Esoteric ES-Grandioso K1X SACD/CD playerEsoteric ES-Grandioso K1X SACD/CD player 

Esoteric ES-Grandioso K1X SACD/CD player

£30,416.67 Exc. VAT |  


Esoteric ES-Grandioso K1X SACD/CD player

VRDS Technology

VRDS (Vibration-Free Rigid Disc-Clamping System) is Esoteric's unique CD/Super Audio CD transport technology, which has been specially designed to clamp the disc to a same-diameter turntable in order to eliminate the disc's rotational vibration, as well as any extraneous vibration emanating from the mechanism itself. It also corrects any warpage of the disc, dramatically improving the accuracy of both the optical pickup and the disc pit layer's corresponding optical axis, while also minimizing servo current. This all adds up to dramatically reduced disc read error for exceptional audio quality.

Highest Rigidity & Heaviest Construction in the 30+Year History of VRDS

The new VRDS-ATLAS platform boasts unprecedented mechanical perfection and superlative audio quality, with heavyweight construction that is fully 127% heavier than previous iterations (6.6kg for the mechanism alone, and 13.5kg including its base). This highest rigidity and weight in the history of VRDS mechanisms has the effect of greatly reducing any and all vibration that could adversely affect audio quality. The transport's larger new side panels and bridge are all formed of SS400 steel, and its turntable is made from duralumin, which is renowned for its excellent sound quality. Also, its spindle features a newly designed thrust bearing system, for a friction-free one-point spindle support system that ensures smooth, noiseless turntable rotation.

Wide, Low Center-of-Gravity Design

Esoteric's impressive VRDS-ATLAS is the quietest and most elegant transport in the history of VRDS. The key to achieving this was a resolute focus on mechanical grounding technology that more effectively reduces vibration.

Adopting a wide & low-profile design for the entire mechanism helped achieve a lower center-of-gravity, and relocating the turntable motor to below the turntable from its previous position above the bridge dramatically shortened the route for grounding vibration and reducing mechanical noise. Tray hollowing has also been minimized for increased rigidity, and special stoppers made from vibration-absorbing elastomer cancel out resonance when the tray is stored.

Powerful Power Circuit Essential for Audio Quality

The Grandioso K1's mighty power supply was the key to its powerful and profound three-dimensional sound. With the introduction of its new X version, this power supply has been dramatically enhanced to add further depth to its exceptional audio tone. Its built-in D/A converter features independent power transformers for left and right channels, and the K1X includes a total of four independent toroidal power supply transformers. Furthermore, technologies cultivated in the development of the Grandioso P1X/D1X have also been adopted, including a new low-feedback DC power supply regulator featuring a discrete circuit configuration which contributes to its powerful open sound. The K1X also contains a total of 76 EDLC* supercapacitors (with a total capacity of 2,050,000µF or 2.05F). This greatly increased power supply capacity provides a tremendously improved sound quality for exceptional resolution in the lower frequency ranges.

*EDLC (Electric Double-Layer Capacitor):A special type of capacitor boasting an astoundingly high capacity compared to the electrolytic capacitors used in conventional audio equipment.

The VRDS-ATLAS transport mechanism is centrally located within the chassis, where it is fixed to a 5mm-thick steel bottom plate and supported by four proprietary pinpoint feet (patent no. 4075477 and 3778108). This effectively isolates the rotational mechanism from vibration. The internal structure of the chassis features a double deck design, with the audio boards on the upper level and power supply circuits and transformers on the lower level to minimize magnetic flux leakage and vibration, while also shortening the power supply wiring.

Playable disc types Super Audio CD, CD (including CD-R and CD-RW)
Analog audio outputs  
XLR 1 pair (L/R)
Output impedance 40Ω
Maximum output level 5.0Vrms
RCA 1 pair (L/R)
Output impedance 15Ω
Maximum output level 2.5Vrms
Digital audio outputs  
Digital audio inputs  
Input impedance 75Ω
USB B USB-B (USB2.0 standard)
Clock Input  
Input Impedance 50Ω
Frequencies that can be input(±10ppm) 10MHz
Input level Sine wave: 0.5 to 1.0 Vrms
Power supply  
Power supply  
Model for Europe AC 220 to 240V, 50/60Hz
Model for USA/Canada AC120V, 60Hz
Model for Korea AC 220V, 60Hz
Model for Hong Kong AC 230V, 50Hz
External dimensions(W×H×D) 445 × 162 × 447mm
17-⅝″ × 6-½″ × 17-⅝″ (including protrusions)
Weight 35kg / 77-¼ lb
Included accessories Power cord × 1
Remote control (RC-1333) × 1
Batteries (AAA) × 2
Felt pads × 4
Owner's manual × 1
Warranty card × 1


Audio Performance

Frequency response 5Hz to 75kHz (–3dB, When Super Audio CD at 0dB, DSDF is F2, XLR output)
S/N ratio 113dB (When Super Audio CD at 0dB, DSDF is F2, XLR output)
Distortion 0.0007% (1kHz, When Super Audio CD at 0dB, DSDF is F2, XLR output)


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