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Preliminary Specification
IN OUT THRU
Dynamic Range (AES-17, -60dB Method, all sensitivities)
unweighted >140dB >112dB >112dB
A weighted >140dB >115dB >115dB
Distortion (20Hz-20 KHz, all sensitivities)
+4dBu (max) <0.009% THD+N <0.009% THD+N <0.009% THD+N
2dB below clip (max) <0.009% THD+N <0.009% THD+N <0.009% THD+N
Crosstalk (20Hz - 20KHz)
inter-channel (max) >75dB
inter-channel (typ) >90dB
intra-channel (max) >85dB
intra-channel (typ) >100dB
Frequency Response
20Hz - 20KHz (max) +/- 0.5dB
20Hz - 20KHz (typ) +/- 0.2dB
Program Inputs 4 AES/EBU pairs (8 channels)
Connector Type 25-pin DB-25 style
Type electrically balanced
Grounding All shield terminals connected to chassis
Pinout AES1+ = pin 7 (L/R), AES1- = pin 15 (L/R)
AES2+ = pin 24 (C/SW), AES2- = pin 23 (C/SW)
AES3+ = pin 8 (Ls/Rs), AES3- = pin 16 (Ls/Rs)
AES4+ = pin 22 (Bsl/Bsr), AES4- = pin 21 (Bsl/Bsr)
Input Impedance 120 ohms (terminated)
Input Sample Rate AES/EBU sample rate must be 48KHz and is internally synchronized
Program Outputs 8
Connector Type 4 HD-15 dataport connections
Cable Type QSC DataPort cable, QSC p-n DPC-x (“x” designates cable length in feet)
Available “stock” Lengths 1, 2, 3, 4, 5, 6, 10, and 20 ft., custom lengths available.
Maximum Qualified Length 328 ft. (100 m) QSC DataPort cable only. Non-QSC cable, 6 ft (2 m) max.
Audio Converters 24 bit, 48KHz, in and out
Mute infinite attenuation
Delay Standard CobraNet Latency Low Latency
BASIS to Network
Digital input through full DSP chain to CobraNet output 6.917 milliseconds 4.250 milliseconds
Network to BASIS
CobraNet input through full DSP chain to analog output 6.313 milliseconds 3.646 milliseconds
BASIS to BASIS
Digital input through full DSP chain, over CobraNet network,
through full DSP chain, to analog outputs 7.896 milliseconds 5.229 milliseconds
BASIS in stand-alone mode
Digital input through full DSP chain to analog outputs 2.167 milliseconds (Default Group Delay)
Specifications are subject to change without notice.