QSC Q-SYS Core 250i User Manual download pdf (Page 17)

TD-000347-00-B

I/O Cards (DataPort Out, AES3)

DataPort Output CODP4 AES3 Input/Output CAES4

Description Four audio output channels (2 DataPorts) for connection to

DataPort equipped QSC ampliﬁ ers

Four input and four output channels of AES3 digital audio

Performance

Dynamic Range Unweighted

Dynamic Range A-weighted

> 114 dB

> 117 dB

>135 dB

—

Distortion 20 Hz – 20 kHz +4 dBu (nominal input)

Distortion 20 Hz – 20 kHz 2 dB below clip (max)

—

< 0.004% THD+N

—

Crosstalk 20 Hz – 20 kHz

Maximum

Typical

> 75 dB

> 100 dB

—

Frequency Response 20 Hz – 20 kHz (Maximum)

Frequency Response 20 Hz – 20 kHz (Typical)

± 0.4 dB

± 0.2 dB

± 0.4 dB

± 0.2 dB

Mute Inﬁ nite attenuation (via electromechanical relays) Inﬁ nite attenuation (via digital mute)

Audio Converters

Digital to Analog Conversion (DACs) 24-bit delta-sigma at 48 kHz —

Group Delay < 13 Samples ( 271 µs) at 48 kHz Input with SRC enabled = <143 Samples ( 2.96 ms)

Input without SRC enabled = 3 Samples ( 6.25 us)

Output = 3 Samples ( 6.25 us)

Connectors Two 15-pin HD15 Four 3-terminal Euro-style

User-conﬁ gurable Options (software enabled)

Ampliﬁ er Standby Set ampliﬁ er in standby mode —

Ampliﬁ er Monitoring Listen Button

Mute Set individual channel mutes —

Meters Peak or RMS Meter —

Meter Selection Ampliﬁ er input level, load voltage, load current, load power

and power headroom

—

Ampliﬁ er Model Support CX, PowerLight™ 3 Series, DCA, and legacy V1 models —

1 Group Delay assumes that the sample rate converter is enabled.

CobraNet I/O Card (CCN32)

Description Up to 32 input and 32 output channels of

CobraNet digital audio

I/O Capacity Selectable:

4 x 4, 8 x 8, 16 x 16, 32 x 32

Performance

Dynamic Range A-weighted > 140 dB

Bundle Packing 0 to 8 channels

Frequency Response 20 Hz – 20 kHz ± 0.2 dB CobraNet Network Transmitters 16

THD+N -130 dB CobraNet Network Receivers 16

Group Delay Selectable:

modeRate = 0x400: 1.479 mS

(2.812 mS w/SRC enabled)

modeRate = 0x500: 2.813 mS

(4.146 mS w/SRC enabled)

modeRate = 0x600: 5.479 mS

(6.812 mS w/SRC enabled)

Conﬁ guration Management Simple Network Management

Protocol v1

Mute Inﬁ nite attenuation (via digital mute)

Connectors Two RJ-45 jacks

NOTE:

Speciﬁ cations subject to change without notice.

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QSC Q-SYS Core 250i User Manual Page 17

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