Allen & Heath CQ-20B Ultracompact 20-Channel Digital Mixer (Rackmount/Stagebox) - Manual (Page 134)

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134 User Guide
V1.1.0 Issue 1
System Measured balanced XLR in to XLR out, 0dB gain, 0dBu input
Dynamic Range 110 dB
Frequency Response +0/-0.5dB 20Hz to 20kHz
Headroom +18dB
Internal operating Level 0dBu
THD+N, Mic routed to Main L/R Out +10dBu input, 0dB system gain, 0.003%, -92dB (Relative, 20-
20kHz)
dBFS Alignment +18dBu = 0dBFS (+22dBu at XLR output)
Meter Calibration 0dB meter = -18dBFS (+4dBu at XLR out)
Sampling Rate 96kHz
Bit Depth Uses XCVI core custom bit widths in algorithms, up to 96bits
Latency <0.7mS, Local Mic Input to Main L/R, with all processing in or
out
Operating Temperature Range
0
°
C to 40
°
C (32
°
F to 104
°
F)
Wi-Fi Access Point 802.11 a/b/g/n/ac (dual band, auto channel)
Bluetooth 4.1
USB-A
Stereo Record 48/96 kHz, 24 bit WAV format. Patchable from Outputs, ST in,
or FX Units
Stereo Playback 44.1/48/96 kHz, 16/24 bit, Mono/Stereo WAV files.
USB-B USB 2.0, Core Audio compliant, ASIO/WDM for Windows, 48/96
kHz , 24 bit
Send (upstream) CQ-12T 16 channels, CQ-18T and CQ-20B 24 channels
Return (downstream) CQ-12T 16 channels, CQ-18T and CQ-20B 24 channels*
SD Card SDHC, 32 GB, UHS-I Speed class 10 for maximum channels
Multitrack Record (Max) 16 channels @ 96kHz or
24 channels @ 48 kHz (CQ-18T, CQ-20B)
Multitrack Playback (Max) 16 channels @ 96kHz or
22 channels (CQ-18T), 24 channels (CQ-20B) @ 48 kHz