ALLEN & HEATH CQ-20B User Manual

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User Guide V1.1.0 Issue 1
OUTPUT / FBA
Detect
The Feedback Assistant detects feedback and applies narrow filters to prevent it.
Detect – Disable the ‘HOLD’ box to start detecting feedback frequencies; Enable
the ‘HOLD’ box to pause feedback frequency detection.
Mode – Select whether the next filter to be added (when feedback is detected) will
be in Fixed or Live mode.
Live Recovery – Adjust the speed at which Live filters are currently recovering.
Can be set to ‘Off’ to temporarily freeze live filters.
RTA – Enable this option to see a Real Time Analyser in the FBA graph.
In/Out – Select to enable or disable the Feedback Assistant.

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