Owner's Manual

15
Core 1000 | Core 3000 | Core 4000 I/O Frame
1 Up to 512 network audio channels when sending 8 or more channels per network audio stream.
2 Using maximum fan-out with 16-channel unidirectional I/O Frames.
3 The CAES4 card (AES-3 input/output) doubles the audio channel count of any slot in which it is used.
I/O Cards
High-Performance
Mic/Line Input
CIML4-HP
Line Output
COL4
DataPort Output
CODP4
AES-3
Input/Output
CAES4
Description Four channels of
microphone / line-level
analog audio input with
48V phantom power
and high performance
pre-amplifiers and A/D
converters
Four channels of
balanced, line-level
analog output
Four audio output
channels (2 DataPorts)
for connection to
DataPort equipped QSC
amplifiers
Four input and four
output channels of
AES-3 digital audio
Performance
Dynamic Range Unweighted
Dynamic Range A-weighted
> 112 dB
> 115 dB
> 112 dB
> 115 dB
> 114 dB
> 117 dB
—
—
Distortion 20 Hz – 20 kHz +4 dBu (nominal
input)
Distortion 20 Hz – 20 kHz 2 dB below clip
(max)
< 0.004% THD+N
< 0.06% THD+N
—
< 0.004% THD+N
—
< 0.004% THD+N
—
—
Crosstalk 20 Hz – 20 kHz
Inter-channel (max)
Inter-channel (typ)
Intra-channel (max)
Intra-channel (typ)
> 110 dB
> 110 dB
> 110 dB
> 110 dB
> 100 dB
> 110 dB
> 100 dB
> 110 dB
> 95 dB
> 100 dB
> 100 dB
> 110 dB
—
—
—
—
Frequency Response 20 Hz – 20 kHz (max)
Frequency Response 20 Hz – 20 kHz (typ)
± 0.5 dB
± 0.2 dB
± 0.5 dB
± 0.2 dB
± 0.5 dB
± 0.2 dB
—
± 0.2 dB
Input Impedance
Balanced (nominal)
Unbalanced (nominal)
10 k ohms
10 k ohms
—
—
—
—
—
—
Common Mode Rejection 20 Hz – 20 kHz
(max)
Common Mode Rejection 20 Hz – 20 kHz
(typ)
> 45 dB
> 50 dB
—
—
—
—
—
—
Max Input Level 1.23 to 17.35 Vrms
-56 to 27 dBu
-58.2 to 24.8 dBv
(continuously variable)
—
—
—
—
—
—
—
—
—
Mute Infinite attenuation
(via digital mute)
Infinite attenuation
(via electro-mechanical
relays)
Infinite attenuation
(via electro-mechanical
relays)
Infinite attenuation
(via digital mute)
Audio Converters
Analog to Digital Conversion (ADCs)
Digital to Analog Conversion (DACs)
24-bit delta-sigma at 48
or 96 kHz sample rate
—
—
24-bit delta-sigma at 48
or 96 kHz sample rate
—
24-bit delta-sigma at 48
or 96 kHz sample rate
—
—
Group Delay < 13 FS (≈ 271 µs)
at 48 kHz
< 10 FS (≈ 196 µs)
at 48 kHz
< 13 FS (≈ 271 µs)
at 48 kHz
< 37 FS (≈ 760 µs)
at 48 kHz
4
Connectors Four 3-terminal
Euro-style detachable
terminal blocks
Four 3-terminal
Euro-style detachable
terminal blocks
Two 15-pin HD15
connectors
Four 3-terminal
Euro-style detachable
terminal blocks
User-configurable Options (software enabled)
Phantom Power +48 V phantom power
(meets IEC 1938
[1996] spec)
— — —