Digital-to-Analog Converter

650DDigital-to-Analog Converter

The MOON 650D Digital-to-Analog Converter / CD Transport follows in the footsteps of the highly acclaimed MOON 750D. Applying what is commonly referred to as trickle-down technology, we have created a product that yields almost all of the 750D's performance, but at a more accessible price-point.

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True 32-bit fully asynchronous digital audio playback is achieved by the 650D using a fully balanced differential dual-mono design featuring our own M-AJiC32 circuitry (an asynchronous jitter elimination system). Built around the ESS SABRE32 Ultra DAC operating in 32-bit Hyperstream™, the conversion process uses an astonishing 8 DAC's per channel. The final result is a product that will breakdown all the barriers, bringing you closer to the music than ever before, regardless of how your digital media is stored, be it on a CD, computer, music server, etc.

The back panel features a complete array of digital input (4) and output (2) connections to meet all the needs of today's ever-widening technologies, allowing for a connection to virtually any digital source. The front panel includes a disc drawer for our own proprietary drive mechanism which represents a fifth input. Compatible with the 820S external power supply.

Of course, all of the signature features you would expect in a MOON Evolution series digital product are present: our revolutionary M-Quattro floating suspension, SimLink™, i²DCf, just to name a few, as well as both RS-232 and IR ports for custom-install environments.

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Technical aspects

True 32-bit asynchronous Digital-to-Analog converter
ESS Technology SABRE32 Ultra DAC / Digital Filter (ES9016) working in 32-bit Hyperstream™ to achieve unprecedented jitter immunity and low-level linearity via a patented Time Domain Jitter Eliminator
Digital Audio Signal Processing with M-AJiC32 (MOON Asynchronous Jitter Control in 32-bit mode)
A virtually jitter-free digital clocking system
Proprietary CD drive system mounted on our M-Quattro gel-based 4-point floating suspension for vibration damping, allowing ambient & spatial cues in your recordings to come to life like never before; The fifth digital input
Fully balanced differential digital and analog circuitry in a dual-mono design
Separate digital & analog power supplies using independent toroidal transformers
Power supply voltage regulation includes i²DCf (Independent Inductive DC Filtering); There is one inductor dedicated to each integrated circuit type component (DAC, Op-Amp, etc.) in the audio circuit's signal path; 18 stages in all
A very short capacitor-free signal path using a DC servo circuit and proprietary 18dB/octave analog filter
RS-232 port for (i) full unsolicited bidirectional feedback and (ii) firmware updates
IR input for external control
SimLink™ controller port for 2-way communications with other compatible MOON components
4-Layer printed circuit boards with pure copper tracings for a much shorter signal path; This results in greater sonic accuracy and a dramatically improved signal-to-noise ratio
Ultra rigid chassis construction to minimize the effects of external vibrations
Accurate matching of the very finest quality electronic components in a symmetrical circuit design
Includes FRM-3 remote control.

Magazine reviews


 yam - hifihivi  (www)  (Taiwan)  Pui Ching  March 2015  (Korea)  Staff  April 2013
 AUDIO VIDEO  (Poland)  Marek Lacki & Filip Kulpa  January 2013  (Korea)  Staff  November 2012
 Stereo   (Germany)  staff  November 2012
 SoundStage!   (www)  Doug Schneider  March 2012
 Hi-Fi & Hi-Vi Monthly  (Taiwan)  Staff  February 2012  #375
 Hifi & records   (Germany)  Staff  January 2012   (Russia)  staff  December 2011
 AUDIO   (Germany)  Hans-Ulrich Fessler  December 2011
 Stereophile   (USA)  Michael Fremer  November 2011
 HIFI live   (Spain)  C. Dolz  September 2011
 Audio Magazine  (Korea)  staff  May 2011
 Hi Fi Review   (Hong Kong)  staff  May 2011   #299
 Stereo Sound   (Japan)  Mayujeumi Kenji  Spring 2011  #178


 Exzellent 96%  Price/Performance  Stereo  (Germany)  November 2012
 Recommended Components  Stereophile  (USA)  April  2012
 Recommended Reference  SoundStage!  (www)  March 2012
 Reviewer's Choice  SoundStage!  (www)  March 2012
 Klungurteil: Uberragend  AUDIO  (German)  December 2011