ALLEN & HEATH CQ-20B User Manual

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User Guide V1.1.0 Issue 1
4.
Switch to Factory to show the built-in factory
options.
5.
Choose and recall a Quick Channel according to the
type of instrument/source being used. Each of the
Factory options is a different Quick Channel and
most include several variants when recalled too.
5.
In the PROCESSING screen, view the Quick Channel
controls by selecting the channel and then touching
or clicking on the Quick Channel icon.
6.
If headphones are connected and the source set to
the default ‘Listen’ option, use the Listen button
(with headphone symbol) to hear only the audio from
the current channel.
7.
Each Quick Channel is created for a source type and
includes a few controls. Examples can be seen in the
INPUT / Quick Channels section of this guide.
8.
When happy with the sound, select SENDS from the
right-hand side navigation strip to view and adjust
the levels being sent to FX Units and Outputs.
 As listed on-screen under the recall section when viewing the Library pop-up -
recalling from the CONFIG screen will include input Name, Colour and Preamp
settings, whereas from the PROCESSING screen, it includes only processing.

ALLEN & HEATH CQ-20B Specifications

General

Frequency range	20 - 20000 Hz
Channels quantity	24 channels
Supported sample rates	96 kHz
Digital sound processing	- bit
Nominal input level	17 dBu
Output impedance	75 Ω
Total Harmonic Distortion (THD)	0.002 %
Built-in display	-
Card reader integrated	Yes
Compatible memory cards	SD, SDHC
Maximum memory card size	32 GB
Bluetooth version	4.1
XLR out	8
RJ-45 ports quantity	1
USB 2.0 ports quantity	2
Number of microphone inputs	20
Rack capacity	19U
USB connector type	USB Type-A, USB Type-B
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (typical)	- W

Weight and Dimensions

Depth	154 mm
Width	372 mm
Height	134 mm
Weight	2600 g
Package type	Box
Package depth	260 mm
Package width	450 mm
Package height	250 mm
Package weight	3300 g