Appendix b : technical specification – Allen&Heath DR66 USER GUIDE User Manual
Page 39
DR66 & DR128 Installer User Guide
39
Appendix B : Technical Specification
Headroom
+12 or +16dB (according to operating level)
Max Output
+16dBu (0 or+4dBu nominal operating level)
Frequency Response
20Hz - 20kHz +0/-1dB (+4dBu into 600 ohms)
THD
0.005% @ 1kHz typical
Dynamic Range
99 dB typical (Mic Input to Line Output)
Signal to Noise ratio
Better than -80dB rms 22Hz to 22kHz
Mic EIN
-127dB (150 Ohm source)
Crosstalk @1kHz
Better than -80dB (Adjacent Input Channels)
Sampling Frequency
48kHz
A/D Converter (DR66)
20-bit Sigma-Delta 64-times oversampling
A/D Converter (DR128)
24-bit Sigma-Delta 128-times oversampling
D/A Converter
20-bit Sigma-Delta 128-times oversampling
Processing
24-bit linear
Mic Gain Control (DR66)
internal 48dB (54dB to 6dB) variable
Mic Gain Control (DR128)
internal 42dB (60dB to 18dB) variable
Mic/Line Pad
22dB internal link
Line Input Gain Control
internal 12dB (-8dBu or +4dBu)
Line Output Gain Control
internal 12dB (-8dBu or +4dBu)
LCD Display
2 x 16 Character, backlit
Tri-colour Programmable, Signal Meters, Mute or Status Indicators
Signal levels Green –36dBFS, Amber –12dBFS, Red –6dBFS
Front Panel LED indicators
Function Keys
Programmable as Unused, Level controls, Mute or Patch changes
RS232
9 way female D-Type, unbalanced 57.6 k Baud
SysNet
Uses RS232 port, 19200 baud
Remote Switch Inputs
Female D-Type, opto-isolated for momentary contacts, programmable
Remote Outputs (DR66)
Female D-Type, opto-isolated, @10mA, programmable
Patch Memories
Up to 99 internal, Full or Partial type, saved in Configuration File
Battery Operation
+24V DC +/-15% @ 1.5 Amps maximum
Mains Settings
100 VAC
Fuse: T630mA
120 VAC
Fuse: T630mA
220 VAC
Fuse: T315mA
230 VAC
Fuse: T315mA
Power Consumption (DR66)
25 VA maximum
Power Consumption (DR128)
70 VA maximum
Weight (DR66)
Packed 7kg, Unpacked 6kg
Weight (DR128)
Packed 10kg, Unpacked 9kg
Dimensions (DR66)
482 x 380 x 44mm (rack mounting) Add 4mm height for desk feet
Dimensions (DR128)
482 x 380 x 88mm (rack mounting) Add 4mm height for desk feet
Options
DSPx DSP Expander card, DSPd Output Delay card