Analog Balanced Microphone Inputs
ConnectorRJ45 & XLR Balanced – EMI Suppressed
Input Impedance2,4 KΩ
Nominal Input Level (sensitivity)-9/-66 dBu
Max Input Level (clipping point)+9 dBu
A/D conversion24 bit / 48 Khz
Signal To Noise Ratio (referred to peak level)>90 dB
THD+N<0,01%
Analog GainAdjustable +0 ÷ +57 dB (3dB step)
Phantom Power+48V

 

 

Analog Balanced Stereo Inputs
ConnectorXLR & RJ45 Balanced – EMI Suppressed
Input Impedance10 KΩ
Nominal Input Level (sensitivity)0 dBu
Max Input Level (clipping point)+18 dBu
A/D conversion24 bit / 48 Khz
Frequency response+/-0,5 dB from 20 Hz to 20 kHz
Signal To Noise Ratio (referred to peak level)>100 dB
Stereo Separation (referred to peak level)>90 dB
THD+N<0,002 %

 

 

Analog Balanced Telco Input
ConnectorRJ45 Balanced – EMI Suppressed
Input Impedance10 KΩ
Nominal Input Level (sensitivity)0 dBu
Max Input Level (clipping point)+18 dBu
A/D conversion24 bit / 48 Khz
Signal To Noise Ratio (referred to peak level)>100 dB
THD+N<0,002%

 

 

PSTN Interface
ConnectorRJ11
Transhybrid loss>20 dB

 

 

Analog Balanced Stereo Outputs
ConnectorRJ45 Balanced – EMI Suppressed
Output Impedance23 Ω, nominal 600 Ω
Nominal Output Level0 dBu
Max Output Level (clipping point)+18 dBu
D/A conversion24 bit / 48 Khz
Signal To Noise Ratio (referred to peak level)>100 dB
Stereo Separation (referred to peak level)>90 dB
THD+N<0,002 %

 

 

USB Audio Digital I/O
ConnectorUSB Type B – EMI Suppressed
Playback And Recording Sample RateSRC 44.1-48 KHz
Resolution16 bit
Available Stereo Channels1 Play & 1 Rec for each USB interface

 

 

Digital Output
ConnectorBalanced on 1 XLR – EMI Suppressed
Input Impedance110 Ω
StandardAES3
Audio Sample Rate48 KHz
Resolution24 bit
Dynamic Range (Converter Values)124 dB

 

 

Analog Balanced Telco Output
ConnectorRJ45 Balanced – EMI Suppressed
Output Impedance23 Ω, nominal 600 Ω
Nominal Output Level0 dBu
Max Output Level (clipping point)+18 dBu
D/A conversion24 bit / 48 Khz
Signal To Noise Ratio (referred to peak level)>100 dB
THD+N<0,002 %

 

 

System
Audio CoreAnalog Devices ADAU1452 32bit 294 MHz fixed point DSP
Audio CODECsCirrus CS42448 24 bit/192 kHz
System CoreAllwinner A20 dual core cortex-A7 at 800MHz, 1GB RAM
LAN ConnectionRJ45 – 100Mbit
Nominal Delay (analog input to analog output)0,7 ms
GPIO Inputs/Outputs4 GPI/4 GPO on DB9; 4 GPI/2 GPO on Mic2 & Mic3 RJ45; 2 GPO on Out3 & Out4 RJ45; 1 GPI/1 GPO on Telco RJ45
Communication Port2xUSB type-A, 2xUSB type-B , 1xLAN, 1xHDMI
Operating Temperature0°C ÷ 40°C

 

 

PSU
Power Supply90-260 VAC / 47-63 Hz / 30 W

 

 

Dimensions
Dimensions (W; H; D)614mm; 80mm; 343mm
Weight7.1 Kg