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Simaudio Moon 650D

DAC/CD Transport
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Simaudio Moon 650D Details

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MOON Evolution Series 650D DAC/CD Transport

  • True 32-bit asynchronous Digital-to-Analog converter
  • ESS Technology SABRE32 Ultra DAC / Digital Filter (ES9016) working in 32-bit Hyperstream™
  • Digital Audio Signal Processing with M-AJiC32
  • Four (4) digital inputs (AES/EBU, S/PDIF, TosLink and USB)
  • Proprietary CD drive system mounted on MOON's M-Quattro gel-based 4-point floating suspension

The MOON 650D Digital-to-Analog Converter/CD Transport follows in the footsteps of the highly acclaimed MOON 750D. Applying trickle-down technology, MOON has created a product that yields almost all of the 750D's performance, but at a more accessible price-point. True 32-bit fully asynchronous digital audio playback is achieved by the 650D using a fully balanced differential dual-mono design featuring MOON's 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. The front panel includes a disc drawer for MOON's own proprietary drive mechanism which represents a fifth input. An optional outboard power supply is available to further enhance the already astonishing performance of the MOON 650D.

Of course, all of the signature features you'd expect in a MOON Evolution series digital product are present, including revolutionary M-Quattro floating suspension and SimLink, DCf, just to name a few, as well as both RS-232 and IR ports for custom-install environments. Finally, a plethora of user selectable cosmetic options are available at the time of purchase.

Significant design features:

  • 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)
  • Four (4) digital inputs (AES/EBU, S/PDIF, TosLink and USB) allowing for a connection to virtually any digital source
  • 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
  • A virtually jitter-free - 1 picosecond - digital clocking system
  • RS-232 port for (i) full unsolicited bidirectional feedback and (ii) firmware updates
  • IR input for external control
  • Two (2) digital outputs -AES/EBU and S/PDIF
  • Fully balanced differential digital and analog circuitry in a dual-mono design
  • Separate digital & analog power supplies using 2 independent toroidal transformers
  • SimLink controller port for 2-way communications with other compatible MOON components
  • Power supply voltage regulation includes i-DCf (Independant 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 12dB/octave analog filter
  • 4-Layer PCB's 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
  • Designed to be powered up at all times for optimal performance
  • Includes FRM-3 remote control.

Additional Information

Name Simaudio Moon 650D
Sub Title DAC/CD Transport
Manufacturer Moon
Manufacturer Part# 650D

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Simaudio Moon 650D

  • Configuration: Fully balanced
  • Transport Mechanism: Proprietary Design
  • Digital Filter / Digital-to-Analog Converters: ESS ES9016 Sabre32 32-bit Hyperstream™
  • Frequency Response (audible): 20Hz - 20kHz +0/-0.1dB (internal CD transport)
  • Frequency Response (full range): 2Hz - 100kHz +0/-3dB (external digital source)
  • THD @1kHz, 0dBFS (A-weighted): 0.001%
  • Intermodulation Distortion: 0.001%
  • Dynamic Range: 120dB
  • Signal-to-noise Ratio: 120dB @ full output
  • Channel Separation: 116dB
  • Intrinsic Jitter: 1 picosecond RMS
  • Analog Outputs – Balanced: 1 pair XLR
  • Analog Output @ 0dBFS - XLR: 2.0 Volts
  • Analog Output Impedance - XLR: 100Ω
  • Analog Outputs – Single Ended: 1 pair RCA
  • Analog Output @ 0dBFS - RCA: 2.0 Volts
  • Analog Output Impedance - RCA: 100Ω
  • Bit-depth range / Sampling Frequency: 16 to 24 bits / 44.1kHz to 192kHz
  • Digital Inputs (4) : AES/EBU (XLR), S/PDIF (RCA), TosLink, USB
  • Digital Outputs (2) : S/PDIF (RCA), AES/EBU (XLR)
  • Digital Input/ Output Impedance - S/PDIF: 75Ω (0.5 Volts p-p)
  • Digital Input/ Output Impedance - AES/EBU: 110Ω (3.7 Volts p-p)
  • Remote Control: All Aluminum Full-Function (FRM-3)
  • Display Type: 8 character dot matrix LED
  • Power Consumption @ idle: 25 Watts
  • AC Power Requirements: 120V / 60Hz or 240V / 50Hz
  • Shipping Weight: 35 lbs / 16 Kgs
  • Dimensions (W x H x D): 18.75" x 4.0" x 16.8" / 47.6 cm x 10.0 cm x 42.7 cm

Balanced Input Pin Assignment:

  • Pin 1: Ground
  • Pin 2: Positive
  • Pin 3: Negative