Allen&Heath iDR-4 - Manual (Page 42)

42 IDR-4 User Guide
Description
iDR-4 2 mic / 4 line in, 6 line out main processor
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-4 Operator Front Panel
Face plate fitted
2x16 character assignable backlit LCD display
8x installer assigned soft keys
2x scroll keys
16x installer assigned 3-colour soft LEDs
Slot for custom adhesive label – operator ident
iDR-4 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
Code update mode switch
Ident blocks – write-on or adhesive installer ident
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 x2 (x10 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 +20V DC switched
Line Inputs x4
Includes 2x configurable as monitor L, R inputs
TRS jacks, electronically balanced, tip hot
Impedance >10k ohm
Gain -12, -6, -3, 0 +3, +6, +12, +18dB
Line Outputs x6 (x14 expanded)
Includes 2x configurable as monitor L, R outputs
4x male 3pin XLR, 2x TRS jack
Electronically balanced, pin 2 / tip 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 capability
Assignable from inputs 5 and 6
Separate L and R TRS jacks
Electronically balanced, tip hot
Impedance >10k ohm
Gain as line inputs
Stereo Monitor Outputs
Line output from active monitor bus
Assignable to outputs 5 and 6
Separate L and R TRS jacks
Electronically balanced, tip hot
Impedance <75 ohms
Normal output 0dBu
Maximum output +18dBu