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ALLEN & HEATH CQ-20B User Manual

ALLEN & HEATH CQ-20B
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7
User Guide V1.1.0 Issue 1
1. Important Information
Safety
Before powering on the CQ, read the safety instructions sheet
(004-1511-01 or 004-1512-01) supplied with the unit. For your own safety and that of
the operator, technical crew and performers, follow all instructions and heed all
warnings included in these documents and those printed directly on the
equipment.
Ventilation
Do not obstruct any of the air vents when in use. Adequate ventilation is especially
required for the cooling fan found on the bottom of the CQ-18T and CQ-12T, and the
side of the CQ-20B.
Updates to this user guide
This user guide is intended to be used and distributed in a digital format; it may be
up issued at any time. Always ensure you are referring to the latest version which
matches the firmware version being used, and avoid printing a hard copy wherever
possible.
Registration
To be kept informed of updates, the latest firmware and new releases for the CQ
range, register your CQ at http://www.allen-heath.com/myCQ
Support
For further support with CQ, please visit support.allen-heath.com, or contact
your local distributor.
Firmware updates and apps
Visit www.allen-heath.com/myCQ to obtain the latest version of
firmware and ensure you are registered to receive notifications on
future updates.
The firmware on the CQ and all app versions must have the same major
release number. This is the first two digits of each release number.
Firmware V1.1.3 and App V1.1.5 = compatible
Firmware V1.1.3 and App V1.2.3 = not compatible

Table of Contents

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ALLEN & HEATH CQ-20B Specifications

General IconGeneral
Frequency range20 - 20000 Hz
Channels quantity24 channels
Supported sample rates96 kHz
Digital sound processing- bit
Nominal input level17 dBu
Output impedance75 Ω
Total Harmonic Distortion (THD)0.002 %
Built-in display-
Card reader integratedYes
Compatible memory cardsSD, SDHC
Maximum memory card size32 GB
Bluetooth version4.1
XLR out8
RJ-45 ports quantity1
USB 2.0 ports quantity2
Number of microphone inputs20
Rack capacity19U
USB connector typeUSB Type-A, USB Type-B
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Power consumption (typical)- W
Weight and Dimensions IconWeight and Dimensions
Depth154 mm
Width372 mm
Height134 mm
Weight2600 g
Package typeBox
Package depth260 mm
Package width450 mm
Package height250 mm
Package weight3300 g

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