Appendix B: xNode2 Specifications

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Microphone Preamplifiers

  • Source Impedance: 150 Ohms

  • Input Impedance: 4k Ohms minimum, balanced

  • Input type: Line or Microphone

  • Microphone PreAmp Gain: Adjustable, 14 dB to 68 dB

  • Phantom power: +48VDC, switchable Analog Line Inputs

  • Input Impedance: >40k Ohms, balanced

  • Nominal Input Range: +4 dBu

  • Input Headroom: 20 dB above nominal input

Analog Line Inputs

  • Input Impedance: >40k Ohms, balanced

  • Nominal Input Range: +4 dBu

  • Input Headroom: 20 dB above nominal input

Analog Line Outputs

  • Output Source Impedance: <50 Ohms balanced

  • Output Load Impedance: 600 Ohms, minimum

  • Nominal Output Level: +4 dBu

  • Maximum Output Level: +24 dBu

Digital Audio Inputs and Outputs

  • Reference Level: +4 dBu (-20 dB FSD)

  • Impedance: 110 Ohm, balanced

  • Signal Format: AES3 (AES/EBU)

  • AES3 Input Compliance: 24-bit with sample rate conversion

  • AES3 Output Compliance: 24-bit

  • Digital Reference: Internal (network timebase) or external reference 48 kHz, +/- 2 ppm

  • Internal Sampling Rate: 48 kHz

  • Input Sample Rate: 32 kHz to 192kHz

  • Output Sample Rate: 44.1 kHz or 48kHz

  • A/D Conversions: 24-bit, Delta-Sigma, 256x oversampling

  • D/A Conversions: 24-bit, Delta-Sigma, 256x oversampling

Frequency Response

  • Any Input to Any Output: +/- 0.5 dB, 20 Hz to 20 kHz

Latency

  • Analog Input to Analog Output, 4ms including network, converters, and mixing process

  • Digital Input to Digital Output, 3.5ms including network mixing engine (ASRC off)

Dynamic Range

  • Analog Inputs to Analog Outputs 104dB referenced to 0dBFs, 111dB A-weighted

  • Analog Inputs to Digital Outputs 110dB referenced to 0dBFs, 113dB A-weighted

  • Digital Inputs to Analog Outputs 110dB referenced to 0dBFs, 115dB A-weighted

  • Digital Inputs to Digital Outputs 126dB

Equivalent Input Noise

  • Mic Pre Input to Analog Output: < 0.005%, 1 kHz, -36dBu input, +18dBu output

  • Analog Input to Analog Output: < 0.005%, 1 kHz, +18dBu input, +18dBu output

  • Analog Input to Digital Output: < 0.004%, 1 kHz, +18dBu input, -6dBFs output

  • Digital Input to Analog Output: < 0.004%, 1 kHz, -6dBFs input, +18dBu output

  • Digital Input to Digital Output: < 0.0003%, 1 kHz, 0dBFs

Crosstalk Isolation, Stereo Separation and CMRR

  • Analog Line Stereo Separation: < -90dB, 20Hz to 20kHz

  • Analog Line Input CMRR: < - 85dB, 20Hz to 20kHz

  • Microphone Input CMRR: < -70 dB , 20 Hz to 20 kHz

Power Supply AC Input

  • Auto-Ranging Supply, 95VAC to 260 VAC, 50Hz to 60Hz, IEC Receptacle, Power Consumption: 16 Watts

Operating Temperatures

  • 0 degree C to +40 degree C, <90% humidity, no condensation

Dimensions

  • 8.5” (22 cm) wide; two may be mounted side-by-side in a standard 1RU rack space; 1.72” (4.4 cm) height, 11.75” (30 cm) depth