QSC Audio 914LZ Stereo System User Manual


 
24
Preliminary Specification
IN OUT THRU
Dynamic Range (AES-17, -60dB Method, all sensitivities)
unweighted >112dB >112dB >110dB
A weighted >115dB >115dB >113dB
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
Connector Type XLR/TRS combo
Type Electrically balanced
Grounding Shell and shield terminals connected to chassis
Pinout 1/Tip:+ 2/Ring:- 3/Sleeve: shield
Input Impedance (nom.) Balanced: 10K ohms Unbalanced: 10K ohms
Common-Mode Rejection 20Hz - 20KHz (min)=: >54dB, 20Hz - 20KHz (typ): >60dB
Input Sensitivities (variable) V
rms
: 1.5, 3, 9, 18 / dBu: 5.7, 11.8, 21.3, 27.3 / dBV: 3.5, 9.5, 19.1, 25.1
Program Outputs 16
Connector Type 8 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
Analog input through full DSP chain to CobraNet output 7.104 milliseconds 4.438 milliseconds
Network to BASIS
CobraNet input through full DSP chain to analog output 6.313 milliseconds 3.646 milliseconds
BASIS to BASIS
Analog input through full DSP chain, over CobraNet network,
through full DSP chain, to analog outputs 8.083 milliseconds 5.417 milliseconds
BASIS in stand-alone mode
Analog input through full DSP chain to analog outputs 2.354 milliseconds (Default Group Delay)
Specifications are subject to change without notice.