QSC CXD8.4Q, Руководство пользователя

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14 A-TD-001522-01
Specifications
CXD8.4Q / CXD8.4Qn CXD8.8Q / CXD8.8Qn
Channel Configuration
Max Power 1 Continuous 2 Max Power 1 Continuous 2
8 Independent Channels
A, B, C, D, E, F, G, H
70 V 500 W 300 W 850 W 600 W
100 V 500 W 300 W 850 W 600 W
8Ω 500 W 300 W 850 W 600 W
4Ω 500 W 300 W 1000 W 600 W
2Ω 500 W 300 W 600 W 300 W
2 Channels Combined in BTL Bridge
A+B or C+D or E+F or G+H
Doubles Voltage
8Ω
1000 W
3
600 W
3
2000 W
3
1200 W
3
4Ω NR 4 NR 4 NR 4 NR 4
2Ω NR 4 NR 4 NR 4 NR 4
2 Channels Combined in Parallel
AB or CD or EF or GH
Doubles Current
8Ω 1000 W 600 W 1100 W 1100 W
4Ω 1000 W
3
600 W
3
1800 W
3
1200 W
3
2Ω 1000 W
3
600 W
3
2000 W
3
600 W
3
3CH Combined in Parallel
ABC or EFG
Triples Current
8Ω 1000 W 900 W 1100 W 1100 W
4Ω 1500 W 900 W 1800 W 1800 W
2Ω 1500 W 900 W 2800 W 1800 W
4CH Combined in Bridged/Parallel
AB+CD
Doubles Current and Voltage
8Ω
2000 W
3
1200 W
3
3600 W
3
2400 W
3
4Ω
2000 W
3
1200 W
3
4500 W
3
2400 W
3
2Ω NR
4
NR
4
NR
4
NR
4
4CH Combined in Parallel
ABCD or EFGH
Quadruples Current
8Ω 1200 W 1200 W 1200 W 1200 W
4Ω 2000 W 1200 W 2200 W 2200 W
2Ω
2000 W
3
1200 W
3
4000 W
3
2400 W
3
CXD8.4Q / CXD8.4Qn CXD8.8Q / CXD8.8Qn
Typical distortion
8Ω
4Ω 0.02 – 0.05%
0.04 – 0.1%
0.02 – 0.05%
0.04 – 0.1%
Maximum distortion
4Ω - 8Ω 1.0% 1.0%
Frequency response (8Ω) 20 Hz – 20 kHz +/- 0.3 dB 20 Hz – 20 kHz +/- 0.3 dB
Noise
Unweighted output muted
Weighted output muted >101 dB
>104 dB >101 dB
>104 dB
Gain (1.2V setting) 35.4 dB 38.4 dB
Damping factor >100 >100
Input impedance >8k balanced and >4k unbalanced >8k balanced and >4k unbalanced
Input Sensitivity
Continuously variable: Vrms
dBu
dBv
1.23mV to 17.35V
-56 to 27
-58.2 to 24.8 Vrms
dBu
dBv
1.23mV to 17.35V
-56 to 27
-58.2 to 24.8
Controls and indicators (front) Power • Channel MUTE Buttons • Channel SELECT Buttons • Channel Input Signal and CLIP LED Indicators •
Channel Output and LIMIT LED Meters • NEXT, PREV, ID Buttons • Control Knob • Reset Button
Controls and indicators (rear) AC Power Disconnect (IEC Power cord and/or AC Power switch)
Input connectors 3-pin Phoenix
Output connectors 8-pin Phoenix Speaker
Amplifier and load protection Short circuit • open circuit • thermal • RF protection • On/Off muting • DC fault shutdown • active inrush limiting
AC power input Universal input power supply with active power factor correction 100 - 240 VAC, 50 - 60 Hz