Allen&Heath iDR-8 - Manual (Page 42)

42 IDR-8 User Guide
Description
iDR-8 8 mic/line in 8 line out main processor
iDR-in 8 mic/line in audio expander
iDR-out 8 line out audio expander
iDR-switch 24 switch, 16 logic output expander
PL Range of wall plates and remote controllers
iDR-8 Operator Front Panel
Face plate fitted
2x16 character assignable backlit LCD display
16x installer assigned soft keys
2x scroll keys
32x installer assigned 3-colour soft LEDs
Headphones socket with recessed level trim
Key function label protected by window
iDR-8 Installer Front Panel
Face plate removed (4x 2mm hex screws)
Setup keys – menu, enter, esc, scroll up/down
Menu items – patch select, clock, day, unit name,
network setup, PPP setup, audio monitor, diagnostics
Status LEDs – slave, ext sync lock, 96kHz
RS232 – for connection to PC COM port
Front/rear RS232 port select switch
Code update mode switch
Ident strip – for installer fitted custom label
iDR-in, iDR-out Front Panels
Status LEDs – link, lock, power
8x installer assigned 3-colour soft LEDs
iDR-switch Front Panel
Status LEDs – link, power
DSP
2x Motorola 24bit processors, 56bit mix accumulator
Audio matrix (48kHz) 16x16
Latency XLR in to XLR out with processing <2.3ms
A/D Converters
24bit resolution
Dynamic range 109dB A-weighted, 106dB unweighted
D/A Converters
24bit resolution
Dynamic range 115dB A-weighted, 112dB unweighted
Performance
Frequency response 20Hz-20kHz +0/-0.5dB
Crosstalk <-80dB @ 1kHz, 0dB gain
THD+noise <0.01% @ 1kHz, 0dBu
Residual output noise <-93dBu
Input to output noise @ 0dB gain <-87dBu
Input to output noise @ 50dB gain <-73dBu
Mic/Line Inputs x8 (x16 expanded)
Female 3pin XLR
Electronically balanced, pin 2 hot
Impedance 2k ohm (pad out), >10k ohm (pad in)
Gain range -15 to +50dB in 3dB steps
Pad -20dB
Sensitivity (pad out) -50 to -5dBu
Sensitivity (pad in) -30 to +15dBu
Maximum input level +33dBu
Phantom power +48V DC switched
Line Outputs x8 (x16 expanded)
Male 3pin XLR
Electronically balanced, pin 2 hot
Impedance <75 ohms
Maximum output +18dBu
Expander Input Port
RJ45 connector
Proprietary 8 channel digital audio
From iDR-in audio expander
CAT5 STP cable up to 250 metres (825 feet)
Expander Output Port
RJ45 connector
Proprietary 8 channel digital audio
To iDR-out audio expander
CAT5 STP cable up to 250 metres (825 feet)
Stereo Monitor Inputs
Ripple through audio monitor
Can be assigned as extra channel inputs
Separate L and R TRS jacks
Electronically balanced, tip hot
Impedance >30k ohm
Sensitivity 0dBu
Maximum input +18dBu
Stereo Monitor Outputs
Line output from active monitor bus
Can be assigned as extra output channels
Separate L and R TRS jacks
Electronically balanced, tip hot
Impedance <75 ohms
Normal output 0dBu
Maximum output +18dBu
Headphones
Stereo output on TRS jack
Tip left, ring right
For headphones >30 ohms impedance
Front panel recessed level trim
Adjust with flat bladed screwdriver