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Moon by Simaudio 650D DAC/Transport
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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!


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. The front panel includes a disc drawer for our own proprietary drive mechanism which represents a fifth input. As well, in the coming months, an optional outboard power supply will be made available to further enhance the already astonishing performance of the MOON 650D.

Cutting edge technology that creates lifelike and realistic music.

Of course, all of the signature features you’d 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. 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 i²DCf (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.

650D DAC / CD Transport Specifications

Configuration Fully balanced, Dual-mono
Transport Mechanism Proprietary Design

Front Panel Controls Standby · Program · Display · Repeat · Input · Random · Time · Open / Close ·
Play · Pause · Scan/Skip Forward · Scan/Skip Backward · Pause · Stop
Front Panel Display Track number · Time - elapsed or remaining (track / entire disc)
Front Panel LED Indicators Program · Repeat - current track · Repeat - disc · Random

DAC / Digital Filter ESS ES9016 Sabre32 32-bit Hyperstream™
Frequency Response (audible) 20Hz - 20kHz +0/-0.1dB (with internal CD transport)
Frequency Response (full range) 2Hz - 100kHz +0/-3dB (with external digital source)
THD @ 1kHz, 0dBFS (A-weighted) < 0.001 %
IMD < 0.001 %
Dynamic Range > 120dB
Signal-to-noise ratio > 120dB @ full output
Slew Rate 50V/µs
Channel Separation > 116dB
Low Level Linearity < ±0.25dB at -90dBFS
Intrinsic Jitter < 1 picosecond RMS
Analog Outputs - Balanced 1 pair XLR
Analog Output - Single-ended 1 pair RCA
Digital Inputs (4) AES/EBU (XLR), S/PDIF (RCA), TosLink, USB Type-B
Bit-depth range - All inputs 16 - 24 bits
Sampling Frequency Rate range - All inputs 44.1 - 192kHz
Digital Outputs (2) S/PDIF (RCA) and AES/EBU (XLR)
Max. Analog Output @ 0dBFS - XLR 2.0 Volts
Max. Analog Output @ 0dBFS - RCA 2.0 Volts
Analog Output Impedance 100 Ω
Digital Output Impedance S/PDIF 75 Ω @ 0.5p-p
Digital Output Impedance AES/EBU 110 Ω @ 3.7Vp-p

SimLink Port 1 input + 1 output each on 1/8" mini-jack
RS-232 Port 9-pin female DB connector
IR input 1/8" mini-jack

Remote Control FRM-2 All-Aluminum Full Function
Display Type 8 character dot matrix LED
Power Consumption @ idle 25 watts
AC Power Requirements 120V / 60Hz 240V / 50Hz
Fuse Replacement - 120V 0.2A short slow blow
Fuse Replacement - 230V 0.1A short slow blow
Shipping weight 35 lbs / 16 Kgs
Dimensions (w x h x d) 18.75 x 4.0 x 16.81 in.

Features & specifications are subject to change without notice.