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Appendix b : technical specification – Allen&Heath DR66 USER GUIDE User Manual

Page 39

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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

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