Huron & SNAP Documentation

Huron Technical Specifications
16 Bit A/D Modules
Input Impedance 10kOhm balanced
Input Gain +91.5dB -95.5dB
Maximum Input Level +20dBm @ 0dB gain, +0dBm @ 20dB gain
Group Delay 0.375ms (18 Sample periods)
Group Delay Linearity 0.0us
18 Bit D/A Modules
Output Impedance 300 Ohm balanced, floating type
Output Gain +31.5dB ⇔ -95.5dB
Maximum Output Level +20dBm
Group Delay
Phase Linearity
Digital Input Specifications
0.687ms (33 Sample periods)
< 0.5degrees
Input Impedance and Level 110 Ohm - Professional Levels
Formats Supported
AES/EBU, IEC 958, S/PDIF, EIAJ CP-340
Input Clock Range 25kHz-55kHz
Digital Input Specification with Sample Rate
Converter
Input Frequency Ratio 1:2 ⇒ 2:1
Total Harmonic Distortion + Noise > 94dB
Dynamic Range
Digital Output Specifications
> 120dB
Output Impedance 110 Ohm Professional and 75 Ohm Consumer
Output Format
System Performance (A/D -> D/A)
AES/EBU, IEC 958, EIAJ CP-340
Total Harmonic Distortion < 0.0025%, 1kHz, 0dBu
Dynamic Range > 90dB
SNR 90dB
Crosstalk < -90dB @ 1kHz < -80dB @ 20kHz
Sampling Rate 48kHz
Frequency Response, 20Hz-20kHz +0.1dB -0.5dB
Group Delay
System Specifications
1.1ms + DSP Delay (53+DSP Sample Period Delay)
Environment 0-50°C Operating
Power Requirements 90-130 Vac 220-260 Vac
Power Consumption Configuration Dependent, 200W Max
Net Weight
~23kg
Performance Plots
Below is a plot showing the harmonic distortion and the Signal
to Noise Ratio (SNR) of the 16 bit A/D and 18 bit D/A Huron
System. The plot was derived by presenting a very pure 1kHz
sine wave to the A/D and D/A, and analysing the output with a
4k Fast Fourier Transform (FFT).
HURON TECHNICAL MANUAL PAGE 295