The SDR-4000 Reference CD Processor

SDR-4000 Digital Systems Specifications

Sample Rate:44.1KHz
D/A Conversion:Four custom 24 bit DACs in double balanced configuration
Digital Filter:8x oversampling, 56 bit math 64 bit accumulator HDCD
Analog Filter:Linear phase to 28KHz
Frequency Response:DC to 22KHz +/- .3 dB (limited by encoding)
DAC Step Resolution:Better than -120dB
Digital Noise Output:100 uV peak to peak or less
Transient Overshoot:8% or less
Intrinsic Jitter:1 picosecond RMS 3-4 picoseconds peak attenuation corner frequency @ 100Hz

SDR-4000 Analog Systems Specifications

Outputs:RCA single-ended
Output Impedance:100 Ohms
Frequency Response:DC to 1.2 Mhz -3 dB
Harmonic Distortion:Less than .001
Intermodulation(SMPTE):Less than .001
Nominal Output:.75 Volt rms
Output Voltage Swing:2.5 Volts rms maximum
Signal to Noise Ratio:Greater than 115 dB
Channel Separation:Better than 115 dB
Slew Rate:250 V/us

SDR-4000 Power Requirements

Voltage:Factory set 120, 220, 240 VAC @ 47.5 Hz to 440 Hz
Continuous Dissipation:65 Watts

SDR-4000 CD Transport Specifications

Front Panel:
Load Selector
Play Selector
Stop Selector
Pause Selector
Operate/Standby Selector
Time Display Function Selector
Display Brightness Selector
Scan Backward Selector
Scan Forward Selector
Previous Track Selector
Next Track Selector
Rear Panel:
Spectralink Digital Interface (optional)
Main Power Switch
AC Line Fuse
IEC AC Power Connector
Compact Disc Drive:Front load type with VRDS clamping system, diecast alloy contruction
Disc Loader:Precision type with polished linear bearings
Pickup:Objective lens drive type with 3-beam laser pickup linear drive servo
Wow & Flutter:Below measureable limit (accuracy of crystal)

SDR-4000 Mechanical Specifications

Dimensions:48cm (19") W, 10.5cm (4.25")H, 40cm (16")D
Weight:14.1 KG (46 lbs.) net

All files are copyright 2008 by Spectral Audio, Inc.