ALLEN & HEATH CQ-20B User Manual

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User Guide V1.1.0 Issue 1
Digital Audio (Symbols) / USB/SD
Source Point – Choose whether the signal being sent to USB/SD from input
channels includes no input channel processing, some processing, or all processing.
Sample Rate – Select between 48kHz or 96kHz. This affects USB-A recording, the
USB-B connection to a computer and SD recording. With SD recording on the CQ-
18T and CQ-20B, up to 16 channels can be recorded or played back at 96kHz and all
available channels can be recorded or played back at 48kHz.
 SD card playback of 48kHz multitracks is not possible when set to 96kHz and vice
versa.
Stream Mode – Select between a Stereo or Multitrack output for the USB-B
connection. When set to Stereo, the output signal is that set in the Channel
Assignment labelled ‘Stereo L/R’.
Set to Stereo for streaming or recording with mobile devices that do not support
multichannel audio devices.
Set to Multitrack for multichannel recording to and from a DAW.

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