DAC1 USB
Instruction Manual Revision D Page 42
Digital Audio Inputs
Number of Digital Inputs (switch selected) 4 (Coaxial, XLR, Optical, USB)
Number of Channels 2
Input Sample Frequency Range 28 to 195 kHz (Coaxial, XLR, Optical)
44.1, 48, 88.2, 96 kHz (USB)
Maximum Input Word Length 24 bits
Digital Input Impedance on XLR input 110 Ohms
Digital Input Impedance on Coaxial input (jumper
selected)
75 Ohms or Hi-Z (Bridging)
Transformer Coupled Digital Inputs Yes (Coaxial, XLR, Optical)
DC Blocking Capacitors on Digital Inputs Yes (Coaxial, XLR, Optical)
Transient and Over-Voltage Protection on Digital Inputs Yes
Minimum Digital Input Level
300 mVpp on XLR, 150 mVpp on
Coaxial
Jitter Tolerance (With no Measurable Change in
Performance):
>12.75 UI sine, 100 Hz to 10 kHz
>3.5 UI sine at 20 kHz
>1.2 UI sine at 40 kHz
>0.4 UI sine at 80 kHz
>0.29 UI sine at 90 kHz
>0.25 UI sine above 160 kHz
Jitter Attenuation Method Benchmark UltraLock™ - all inputs
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