Marantz SA-KI Ruby Signature Super Audio CD Player With DAC

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Key Benefits

  • Pure Marantz Sound: HDAM technology combined with optimized circuit design layout and carefully selected components, it provides exceptional sound quality and performance.
  • Sound Master Tuned: Engineered and extensively tuned by a team drawing on more than 35 years of Marantz CD and SACD design knowledge.
  • Your Music Your Way: Enjoy masterful playback from your SACD, CD collection and more the way you expect from a Marantz
  • Asynchronous USB Input: Marantz innovative and proprietary SACD/CD mechanism “SACDM-3” designed purely for the best CD performance.

CDs, SACDs and Beyond

The SA-KI Ruby goes so much further than just disc playback: it's also a fully-functional digital-to-analog converter for music stored on a home computer, as well as having conventional digital inputs for existing source components. Those conventional inputs - optical and coaxial - can handle your music files up to 192kHz/24bit. Ruby to maintain signal purity and sound stability.

More Than a DAC

Built with an integrated DAC, the SA-KI Ruby features an all-new disc transport mechanism that re-engineers the digital to analog conversion. Taking full advantage of the 1-bit conversion technology, the SA-KI Ruby incorporates innovative new filtering and up-conversion, providing a simple yet elegant solution.

Marantz Musical Mastering: MMM-Stream and MMM-Conversion

At the heart of digital audio in the SA-KI Ruby lies DSD. PCM and DXD inputs are up-converted to DSD at 11.2MHz using the proprietary MMM-Stream converter within the player, and the high-frequency signal produced is processed by the unique MMM-Conversion stage, used in place of a conventional DAC, to produce the analog output.

High Current Power Supply

The power supply of the SA-KI Ruby features a large high current toroidal power transformer with OFC (oxygen-free copper) secondary wires, along with high speed, high current Schottky Barrier Diodes in the rectifier stage for the purest DC voltage output.

Built to Perform

Like the complementary PM-KI Ruby integrated amplifier, the SA-KI Ruby Super Audio CD player is constructed to the highest standards, with a copper-plated double layer chassis for rejection of mechanical interference, a front panel built from thick, heavy, non-magnetic aluminum panels and a 5mm thick aluminum top cover.


Aluminum Front Panel Yes
ChassisCopper plated / Double layer
Remote Control RC005PMSA
Power Consumption in W 47
Standby Consumption in W below 0.3
Auto Power off Yes
Detachable Power Cable Yes
Maximum Dimensions (W x D x H) in inches 17.32 x 16.5 x 5
Weight in lbs. 37.7
Output Buffer Full Discrete current feedback Amplifier
Headphone amp Full Discrete Headphone Amplifier
Frequency Response (SACD) 2 Hz x 50 kHz
Dynamic Range (SACD) 109 dB
Signal to Noise Ratio (SACD) 112 dB
Total Harmonic Distortion (SACD) 0.00%
Frequency Response (CD) 2 Hz x 20 kHz
Dynamic Range (CD) 98 dB
Signal to Noise Ratio (CD) 104 dB
Total Harmonic Distortion (CD) 0.0015%
Analogue Out (Cinch) 2ch
Digital Optical In / Out Yes / Yes
Digital Coaxial In / Out Yes / Yes
Sample Rate digital In 192 kHz/24-bit
Gold Plated Cinch [CD]:Thick nickel plated independent terminals Others: Gold plated
USB Audio (Rear ) Yes
Sample Rate USB type A In MP3: 44.1~48KHz/32~320kbps WMA: 44.1~48KHz/48~320kbps AAC: 44.1~48KHz/16~320kbps WAV: 44.1~192KHz FLAC: 44.1~192KHz ALAC: 44.1~192KHz AIFF: 44.1~192KHz DSDIFF/DSF
USB type B input for PC (rear) Yes
Sample Rate USB type B In DSD: 2.8 / 5.6 / 11.2 Mhz PCM: 44.1/48/88.2/96/176.4/192/352.8/384kHz
D-Bus Yes
Headphone Out Yes
Headphone Volume Control Yes
Headphone Gain Setting: Low / Mid / High Yes / Yes / Yes
Headphone On/Off setting Yes
CD Compatibility: SACD / CD / CD-R/RW / DVD R/RW / MP3 / WMA Yes / Yes / Yes / Yes / Yes
CD-Text / SA-CD Text / ID3 Tag / WMA Meta Tag / AAC Meta data Yes / Yes / Yes / Yes / Yes
HDAM version Yes HDAM SA3 +HDAM SA2
Asynchronous mode rear USB Yes
USB-B DSD Audio Streaming (DoP) Yes DSD2.8 / DSD5.6 / DSD 11.2
Dual Clock: 44.1 / 48 kHz Yes / Yes
Power Transformer: Toroidal / El Yes / No
High Grade Audio Components Yes
Customised Components Yes
Symmetric circuit layout Yes
Extra metal plate for chassis strengthing Yes
Digital out off / Audio EX Mode Yes / No
DAC operation mode: USB / Coax / Optical Yes / Yes / Yes

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