Marantz SA-KI Ruby


SA-KI Ruby er en jubileumsmodell som er utviklet i forbindelse med at Marantz’ legendariske sjefsdesigner Ken Ishiwata feirer 40 år i selskapet. SACD/CD-spilleren låner teknologi fra toppmodellen SA-10 og kommer med en innfelt rød rubin og Kens signatur gravert på toppen.

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Celebrating 40 Years of Skill and Passion.

For his 40 years ruby anniversary at Marantz, Ken Ishiwata and his daring team crafted these two audiophile gemstones with hand-selected and custom-made components to carry all the emotions of music. The KI Ruby Series is precision-made and virtuously tuned to deliver the most enjoyable sound to amplify your senses.

• Collector‘s item
• Individually numbered
• Limited to 1.000 sets

The SA-KI Ruby at a glance.

Engineered and extensively tuned by a team led by Ken Ishiwata, drawing on more than 35 years of Marantz expertise in CD players

In-house-developed SACD/CD mechanism “SACDM-3”, designed purely for audio

SACD/CD playback, and playback of compilations on CD-ROM and DVD-ROM

Asynchronous USB input for hi-res audio up to PCM / DXD 384kHz/32 bit and DSD11.2MHz

Isolation of USB and digital inputs to block noise from internal and external sources

Innovative Marantz Musical Mastering ‘MMM-Stream’ upsampling to DSD and filtering

Custom-designed 1-bit direct ‘MMM – Conversion’ from DSD to analogue

New analogue output stage with Marantz HDAM-SA3 and HDAM-SA2 technology and low impedance output

Power supply using toroidal transformer

Dedicated headphone amplifier with alldiscrete construction featuring HDAM-SA2

Laser-engraved ‘Ken Ishiwata’ signature and Ruby motif, marking Ken Ishiwata’s 40 years with Marantz

Les mer om KI RUBY på Marantz sin hjemmeside




CD CompatibilityCD / CD-R/RW / SA-CD / WMA / MP3 / AAC
TextSA-CD Text / ID3 Tag / WMA Meta Tag / AAC Meta data
Data Disc CompatibilityDSD <=5.6 / WAV 192 / ALAC 96
DAC operation modeUSB / Coax / Optical
Asynchronous mode rear USBYes
Bit-perfect transmissionYes
USB-B DSD Audio Streaming (DoP)DSD2.8, DSD5.6 -> DSD11.2
Signal isolator for DAC Mode operationYes
Power TransformerToroidal
High Grade Audio ComponentsYes
Customised ComponentsYes
Symmetric circuit layoutYes
Copper plated chassisYes
Extra metal plate for chassis strengthingYes
Digital out offYes
HeadphoneCurrent feedback


Selectable filterCD / DAC-Mode
Marantz Musical MasteringYes (HD)
Marantz Musical Mastering StreamYes
Marantz Musical Mastering ConversionYes
Separated rectifier circuit for analogue and digital circuitryYes
Display offYes
Low noise LCD displayYes
5mm Aluminum top coverYes


Program PlayCD / SA-CD
Random PlayYes
Start Sound Mode for SA-CDYes


Analogue Out (Cinch)2ch
Digital OpticalIn / Out
Digital CoaxialIn / Out
Sample Rate digital In192 kHz / 24-bit
Gold Plated Cinchsilver / nickel
USB AudioRear
USB type B input for PC (rear)Yes
Asynchronous mode rear USBYes
Sample Rate USB type B In384 kHz / 32-bit
USB-B DSD Audio Streaming (DoP)DSD2.8, DSD5.6 -> DSD11.2
Headphone OutYes
Headphone Volume ControlYes


MechanismSACD-M3 (METAL)
D/A ConversionMarantz Musical Mastering Conversion + Stream
DAC ICMarantz Musical Mastering Conversion + Stream
Digital FilterDSP (Marantz)
Noise ShaperDSP (Marantz)
Low Pass Filter stageHDAM-SA2, SA3 current feedback
Output BufferHDAM SA3
Headphone ampHDAM-SA2 current feedback
Frequency Response (Cust.)2 Hz-50 kHz
Dynamic Range (SA)109dB
Signal to Noise Ratio (SA)112dB
Total Harmonic Distortion (SA)0.0008%
Frequency Response2 Hz – 20 kHz
Dynamic Range98 dB
Signal to Noise Ratio104 dB
Total Harmonic Distortion0.0015%


Available colorsGold / Black
Metal Front PanelYes
Remote ControlRC005PMSA
Power Consumption in W47
Standby Consumption in W0.3
Auto power offYes
Detachable Power CableYes
Maximum Dimensions (W x D x H) in mm440 x 419 x 127
Weight in kg17.1
DownloadsOwner’s Manual SA-KI Ruby
Product Information Sheet SA KI Ruby