QSC CXD4.2-xx, CXD4.3-xx, CXD4.5-xx User Manual
CXD4.2 CXD4.3 CXD4.5
4 Ch. Continuous
100 Vms
70 Vmx
8Ω
4Ω
2Ω
2 Ch. Continuous
8Ω
4Ω
2Ω
1 Ch. Continuous
8Ω
4Ω
2Ω
1Ω
Typical Distortion
8Ω
4Ω
1
N/A
N/A
400 Watts
400 Watts
325 Watts
1
800 Watts
800 Watts
650 Watts
1
1600 Watts
1600 Watts
1600 Watts
1600 Watts
0.01 - 0.03%
0.03 - 0.06%
500 Watts
625 Watts
625 Watts
625 Watts
625 Watts
1250 Watts
1200 Watts
1200 Watts
2500 Watts
2500 Watts
2500 Watts
2500 Watts
0.01 - 0.03%
0.03 - 0.06%
1000 Watts
1250 Watts
1150 Watts
1250 Watts
625 Watts
2250 Watts
2250 Watts
2100 Watts
4200 Watts
4200 Watts
4250 Watts
3700 Watts
0.01 - 0.03%
0.03 - 0.06%
Maximum Distortion
4Ω - 8Ω 1.0% 1.0% 1.0%
Frequency response (8Ω)
20 Hz - 15 kHz +/- 0.2 dB
20 Hz - 20 kHz +0.2 dB / -0.7 dB
20 Hz - 15 kHz +/- 0.2 dB
20 Hz - 20 kHz +0.2 dB / -0.7 dB
20 Hz - 15 kHz +/- 0.2 dB
20 Hz - 20 kHz +0.2 dB / -0.7 dB
Noise
Unweighted Output Unmuted
Weighted Output Muted
-101 dB
-109 dB
-101 dB
-109 dB
-101 dB
-109 dB
Gain (1.2V setting) 34.0 dB 38.4 dB 38.4 dB
Damping factor >150 >15 0 >150
Input impedance >10k, balanced or unbalanced >10k, balanced or unbalanced >10k, balanced or unbalanced
Maximum input level
(3.9V setting)
(1.2V setting)
Controls and indicators (front)
12.28V (+24 dBu)
3.88V (+14 dBu)
12.28V (+24 dBu)
3.88V (+14 dBu)
12.28V (+24 dBu)
3.88V (+14 dBu)
Power • Channel MUTE Buttons • Channel SELECT Buttons • Channel Input Signal and CLIP LED Indicators
• Channel Output and LIMIT LED Meters • HOME, ENTER, EXIT, GAIN Navigation Buttons • Control Knob
Controls and indicators (rear) AC Power Disconnect AC Power Disconnect AC Power Disconnect
Input connectors 3-pin Phoenix 3-pin Phoenix 3-pin Phoenix
Output connectors 2-pin Phoenix Speaker 2-pin Phoenix Speaker 2-pin Phoenix Speaker
Amplifier and load protection Short circuit, open circuit, thermal, RF protection. On/Off muting,
DC fault shutdown, active inrush limiting, input current limiting
AC Power Input Universal Power Supply 100 - 240 VAC, 50 - 60 Hz
Dimensions (HWD) 3.5” x 19” x 12”
(89mm x 482mm x 305mm)
3.5” x 19” x 16”
(89mm x 482mm x 406mm)
3.5” x 19” x 16”
(89mm x 482mm x 406mm)
Weight, Net / Shipping 18.5 lb (8.4 kg) / 22 lb (10.0 kg) 21.0 lb (9.5 kg) / 25 lb (11.3 kg) 22.0 lb (10.0 kg) / 26 lb (11.8 kg)
Agency approvals UL, CE, RoHS/WEEE compliant, FCC Class A (conducted and radiated emissions)
Carton contents Locking IEC Cable, Quick Start Guide, USB Cable
1
1.0 kHz sine wave, 1% THD, 1 channel driven
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