650D DAC and CD Transport
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Like two products in one:
CD Player + 32-bit DAC

Proprietary CD drive system mounted on our MQuattro gel-based 4-point floating suspension for vibration damping.
True 32-bit asynchronous Digital-to-Analog converter.

Analog-like rich sound giving listening pleasure

“The 650D’s soul is as analog as it is digital.”
– Doug Schneider, SoundStage!

Amazing detail retrieval giving outstanding sound clarity

“I was struck by the 650D’s consistent overall sound: unusually transparent, delicately drawn, and ethereal, with an almost complete absence of digital glare and hardness.”
– Michael Fremer, Stereophile

Network Player / DACSpecifications

Product features
In the box
User manual
Comparison chart
Design features
  • Proprietary CD drive system mounted on our M-Quattro gel-based 4-point floating suspension.

  • Separate digital and analog power supplies, each with their own toroidal transformer.

  • Power supply voltage regulation includes i2 DCf (Independent Inductive DC Filtering); 1 inductor for each and every IC in the audio circuit’s signal path – 18 stages in all.

  • Four (4) digital inputs (AES/EBU, S/PDIF, TosLink and USB) allowing for a connection to virtually any digital source.

  • Two (2) digital outputs – AES/EBU and S/PDIF.

  • Fully compatible with 820S external power supply.

Specifications
  • Frequency response (full range)
    2Hz - 100kHz +0/-3dB
  • THD @ 1kHz, 0dBFS (A-weighted)
    0.0001%
  • Intermodulation distortion
    0.0001%
  • Dynamic Range
    120dB
  • Signal-to-noise Ratio
    120dB @ full output
  • Channel Separation
    116dB
  • Intrinsic Jitter
    1 picosecond RMS
  • Analog Output @ 0dBFS
    2.0 Volts
  • Analog output impedance
    100Ω
  • Bit-depth range
    16 - 24 bits
  • Sampling frequency rates
    44.1 - 192kHz
  • Shipping weight
    35 lb / 16 kg
  • Dimensions (width x height x depth)
    18.75 x 4.0 x 16.8 in
  • 47.6 x 10.2 x 42.7 cm