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ALLEN & HEATH CQ-20B User Manual

ALLEN & HEATH CQ-20B
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User Guide V1.1.0 Issue 1
Playback Mode Options include Play All (and stop), Play Single (and stop),
Repeat All (loop through all tracks) and Repeat Single (loop a single track).
Transport Controls Use to Record, Play/Pause, Stop and skip to Previous/Next.
Use the circular playback position marker at the very bottom of the screen to jump
to a specific point in the track.
Refer to the information box for details such as elapsed/remaining recording time
and errors detected during the recording.
Number of channels
The maximum number of channels which can be recorded depends on the speed of
the SD card and the sample rate of the recording.
For best results, use an SDHC card with UHS-I and Class 10 markings.
CQ can record or playback up to 16 channels at 96kHz or up to 24 channels at
48kHz.
‘Armed X of Y’ indicates the number of currently armed channels and total number
of channels which could be recorded.
Record/Playback Priority
Multitrack playback signal is sent to the digital source for individual channels and
takes priority over signal from USB-B. When multitrack recording/playback is in
progress, it is not possible to use USB stereo record/playback or store/recall USB
data.
Folders, files and formats
The SD card must be formatted in the CQ before use.
Format connected storage in the HOME / SYSTEM / USB and SD (symbols) screen.
Recordings are made to the AHCQ\USBMTK folder. Each recording is stored in its
own sub folder as a collection of mono 24bit uncompressed *.WAV files, at the
sample rate set in the CONFIG / USB/SD/BT / USB/SD screen.
Files are named with the channel number they were recorded from combined with
the channel name. e.g. ‘03SnrTop.WAV. The channel number of the file is the
channel it will be routed to when playing back the recording.

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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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