ALLEN & HEATH CQ-20B User Manual

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User Guide V1.1.0 Issue 1
1. Important Information .................................................................................. 7
2. Introduction ................................................................................................... 8
The different models .............................................................................................. 8
Images and examples in this guide ................................................................ 10
3. Updating Firmware ...................................................................................... 11
Update firmware using the CQ-MixPad app ................................................ 11
Update firmware using a USB drive ................................................................12
4. Connections .................................................................................................. 13
Power ........................................................................................................................... 13
1. Mic/Line Inputs ................................................................................................... 13
2. Outputs .................................................................................................................. 14
3. Footswitch ........................................................................................................... 14
4. USB and SD.......................................................................................................... 15
5. Network Port ....................................................................................................... 15
6. Built-In WiFi Access Point (CQ-18T, CQ-20B) ....................................... 15
5. Connecting control apps ......................................................................... 16
First connection to a CQ-20B ........................................................................... 16
Connect using WiFi Access Point (CQ-18T, CQ-20B)............................... 17
Connect using an external router or network ............................................ 18
Connect a computer directly with a network cable ................................ 18
6. Operation and Workflow ........................................................................... 19
Physical Controls (CQ-12T, CQ-18T) ............................................................... 19
CQ-MixPad ............................................................................................................... 20
CQ4You....................................................................................................................... 22
Workflow and main screens overview .......................................................... 23

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