Analog Balanced Microphone Inputs
Connector RJ45 & XLR Balanced – EMI Suppressed
Input Impedance 2,4 KΩ
Nominal Input Level (sensitivity) -9/-66 dBu
Max Input Level (clipping point) +9 dBu
A/D conversion 24 bit / 48 Khz
Signal To Noise Ratio (referred to peak level) >90 dB
THD+N <0,01%
Analog Gain Adjustable +0 ÷ +57 dB (3dB step)
Phantom Power +48V

 

 

Analog Balanced Stereo Inputs
Connector XLR & RJ45 Balanced – EMI Suppressed
Input Impedance 10 KΩ
Nominal Input Level (sensitivity) 0 dBu
Max Input Level (clipping point) +18 dBu
A/D conversion 24 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
Connector RJ45 Balanced – EMI Suppressed
Input Impedance 10 KΩ
Nominal Input Level (sensitivity) 0 dBu
Max Input Level (clipping point) +18 dBu
A/D conversion 24 bit / 48 Khz
Signal To Noise Ratio (referred to peak level) >100 dB
THD+N <0,002%

 

 

PSTN Interface
Connector RJ11
Transhybrid loss >20 dB

 

 

Analog Balanced Stereo Outputs
Connector RJ45 Balanced – EMI Suppressed
Output Impedance 23 Ω, nominal 600 Ω
Nominal Output Level 0 dBu
Max Output Level (clipping point) +18 dBu
D/A conversion 24 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
Connector USB Type B – EMI Suppressed
Playback And Recording Sample Rate SRC 44.1-48 KHz
Resolution 16 bit
Available Stereo Channels 1 Play & 1 Rec for each USB interface

 

 

Digital Output
Connector Balanced on 1 XLR – EMI Suppressed
Input Impedance 110 Ω
Standard AES3
Audio Sample Rate 48 KHz
Resolution 24 bit
Dynamic Range (Converter Values) 124 dB

 

 

Analog Balanced Telco Output
Connector RJ45 Balanced – EMI Suppressed
Output Impedance 23 Ω, nominal 600 Ω
Nominal Output Level 0 dBu
Max Output Level (clipping point) +18 dBu
D/A conversion 24 bit / 48 Khz
Signal To Noise Ratio (referred to peak level) >100 dB
THD+N <0,002 %

 

 

System
Audio Core Analog Devices ADAU1452 32bit 294 MHz fixed point DSP
Audio CODECs Cirrus CS42448 24 bit/192 kHz
System Core Allwinner A20 dual core cortex-A7 at 800MHz, 1GB RAM
LAN Connection RJ45 – 100Mbit
Nominal Delay (analog input to analog output) 0,7 ms
GPIO Inputs/Outputs 4 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 Port 2xUSB type-A, 2xUSB type-B , 1xLAN, 1xHDMI
Operating Temperature 0°C ÷ 40°C

 

 

PSU
Power Supply 90-260 VAC / 47-63 Hz / 30 W

 

 

Dimensions
Dimensions (W; H; D) 614mm; 80mm; 343mm
Weight 7.1 Kg