QSC SC28 User Manual page 14

Two-input, eight-output system controller for qsc loudspeakers
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Preliminary Specification
Dynamic Range (AES-17, -60 dB Method, all sensitivities)
unweighted
A weighted
Distortion (AES-17, 20 Hz-20 kHz, all sensitivities)
+4 dBu
2 dB below clip (max)
Crosstalk (20 Hz - 20k Hz)
inter-channel (max)
Input Impedance
Balanced (nominal)
Unbalanced (nominal)
Common-Mode Rejection
20 Hz - 20k Hz (min)
20 Hz - 20k Hz (typ)
Input Sensitivities
Audio Converters
Digital Processing
Mute
Throughput Delay
Program Inputs
Connector Type
Type
Grounding
Pinout
Program Outputs
Connector Type
Type
Grounding
Pinout
Controls
Indicators
Power
LCD Data Display
Input/Output Meters
14
>104 dB
>107 dB
<0.006% THD+N
<0.006% THD+N
>75 dB
11k ohms
69k ohms
>75 dB
>80 dB
1.5 V
/6 dBu, 3 V
rms
24-bit, 48 kHz, in and out
32/40-bit floating-point
infinite attenuation
1.4125 milliseconds
2
XLR female, locking
Electrically balanced
All shield terminals connected to chassis
1: GND
2: +
3: -
8
XLR male
Electrically balanced
All shield terminals connected to chassis
1: GND
2: +
3: -
Rotary encoder knob with push-to-select function
Blue, front panel
2 line x 16 character, backlit, front panel
Green, Yellow, Red, front panel
Specifications are subject to change without notice.
/12 dBu, 9 V
21 dBu, or 18 V
rms
rms/
/27 dBu
rms

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