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CX 2-Channel Series
The CX 2-Channel Series is designed to meet the specialized needs of sound contractors. Eight models have been designed from the ground up, combining QSC's exclusive PowerLightŪ technology with specific features to meet the requirements of fixed installations. With high output power, versatile loading options, high thermal capacity and proven reliability, the CX Series is the ideal solution to any permanently installed sound system.
The model line incorporates QSC's exclusive PowerLight technology. Three models, the CX302V, CX602V and CX1202V, provide direct 70 volt capability ranging from 250 watts to 1000 watts per channel for distributed audio systems. The CX302, CX502, CX702, CX902 and CX1102 offer low impedance capability and range in power from 325 watts to 1100 watts per channel at 4 ohms (20 Hz -20 kHz, 0.05% THD). The versatile CX902 and CX1102 have the ability to drive both 70 volt and low impedance loads for maximum flexibility.
The CX amplifiers are equipped with many contractor specific features including 1 dB detented gain controls for easily repeatable settings and a custom security cover for tamper-proof installations. Active inrush limiting eliminates AC inrush current, cutting the need for power sequencers.
CX amplifiers also include an HD15 Data Port connector to interface with Q-Sys and QSControl networked audio systems, for remote amplifier monitoring and control.
FEATURES
- 8 models to meet your exact power requirements
- Three 70 volt direct models
- Five low impedance models, the CX902 and CX1102 also directly drive 70 volt loads
- Exclusive PowerLight switch-mode power supply technology for high performance and compact size
- Custom integrated security cover for tamper proof installations
- Variable speed fan for low noise
- 1 dB detented gain controls for fast and accurate gain settings
- Active inrush limiting eliminates AC inrush current, removing the need for expensive power sequencers
- XLR and detachable Euro style input connectors
- HD15 DataPort connector for Q-Sys and QSControl computer control and monitoring
- Dip switch control for clip limiters, high pass filters, bridge mono and parallel operation
- Selectable high pass filters protect speakers and prevent speaker transformer saturation withminimal effect on program material (33 Hz or 75 Hz on non-V models, 50 Hz or 75 Hz on V models)
- Comprehensive front panel indicators including signal, clip, protect and QSC's exclusive bridge mono and parallel input LEDs
- Barrier strip output connector
- Comprehensive protection circuitry including DC, infrasonic, thermal overload and short circuit protection
- Class H complementary bipolar output circuitry for high efficiency (CX702, CX902, CX1102 & CX1202V)
- Optional external transformer accessory pack for isolated 70 and 100 -volt outputs (converts CX302 to 400 watts per channel isolated output)
- Compact size - all models are only 2 rack units high and 14" deep for reduced rack cost and floor space
- Light weight - all models weigh only 21 pounds (9.5 kg) for easier racking and shipping
- 3-year warranty plus optional 3-year extended service contract
- All CX Series amplifiers meet the European Union's, 2006 RoHS directive to restrict the use of hazardous materials used in electronic devices.
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Español
CX SERIES AMPLIFIERS
DOCUMENTS
CX 2-Channel Users Manual (PDF 4.3MB)
CX 2-Channel Specifications (PDF 256K)
CX Application Guide (PDF 1.2MB)
HI-RES IMAGES
Front (4590x1148, 742K)
Rear (4124x1080, 796K)
Front Left (4962x1280, 743K)
Front Right (5000x1370, 733K)
RESOURCES
Architect's & Engineer's Specifications
Loudspeaker Impedance Calculator
ACCESSORIES
Handle: 2RU
DataPort Accessories:
DSP-3 |
DSP-4 |
DPX-4 |
DDI-3
Analog Signal Processing
Crossover:
UF-2* |
UF-3* |
XC-3
Low Frequency:
LF-3
Subwoofer:
SF-3
Equalizer:
SEQ-1* |
SEQ-2*
Transformers:
70-Volt Output: IT-42
Input: XF-1*
Limiters/Attenuators:
SPL-1*
*(Requires BSC-3 or BSC-5 BusCard)
|
| |
| SPECIFICATIONS |
CX302
|
CX502
|
CX702
|
CX902
|
CX1102
|
CX302V
|
CX602V
|
CX1202V
|
|
|
STEREO MODE, Both Channels Driven |
| 8 ohms, 20 Hz-20 kHz, 0.05% THD |
200 W
|
300 W
|
425 W
|
550 W
|
700 W
|
-
|
550 W
|
700 W
|
| 4 ohms, 20 Hz-20 kHz, 0.05% THD |
325 W
|
500 W
|
700 W
|
900 W
|
1100 W
|
-
|
-
|
1100 W
|
| 2 ohms, 1 kHz, 1% THD |
600 W
|
800 W
|
1200 W
|
1500 W
|
1700 W
|
-
|
-
|
-
|
| 70V, 20 Hz-20 kHz, 0.05% THD |
400 W
(with IT-42*) |
-
|
-
|
400 W |
800 W |
200 W
|
400 W
|
800 W
|
| 70V, 1 kHz, 0.05% THD |
-
|
-
|
-
|
440 W |
1000 W |
250 W
|
440 W
|
1000 W
|
| 70V, 1 kHz, 1% THD |
-
|
-
|
-
|
600 W |
1200 W |
300 W
|
600 W
|
1200 W
|
|
|
BRIDGED MONO MODE |
| 16 ohms, 20 Hz-20 kHz, 0.1% THD |
400 W
|
600 W
|
850 W
|
1100 W
|
1400 W
|
-
|
1100 W
|
1400 W
|
| 8 ohms, 20 Hz-20 kHz, 0.1% THD |
700 W
|
1100 W
|
1500 W
|
2000 W
|
2200 W
|
-
|
-
|
2200 W
|
| 4 ohms, 1 kHz, 1% THD |
1200 W
|
1600 W
|
2400 W
|
3000 W
|
3400 W
|
-
|
-
|
-
|
| 140V, 20 Hz-20 kHz, 0.05% THD |
-
|
-
|
-
|
800 W |
1600 W |
400 W
|
800 W
|
1600 W
|
| 140V, 1 kHz, 0.05% THD |
-
|
-
|
-
|
880 W |
2000 W |
500 W
|
880 W
|
2000 W
|
| 140V, 1 kHz, 1% THD |
-
|
-
|
-
|
1200 W |
2400 W |
600 W
|
1200 W
|
2400 W
|
| Noise, 20 Hz-20 kHz |
>-107 dB
|
>-107 dB
|
>-106 dB
|
>-106 dB
|
>-106 dB
|
>-106 dB
|
>-106 dB
|
>-106 dB
|
| Input Sensitivity @ 8 ohms |
1.26 Vrms
|
1.23 Vrms
|
1.16 Vrms
|
1.17 Vrms
|
1.35 Vrms
|
1.26 Vrms
|
1.26 Vrms
|
1.26 Vrms
|
Voltage Gain @ 8 ohms
|
30 dB |
32 dB
|
34 dB
|
35 dB
|
35 dB
|
35 dB
|
35 dB
|
35 dB
|
| Output Circuitry |
AB+B |
AB+B
|
H, 2-tier |
H, 2-tier |
H, 2-tier |
AB+B
|
AB+B
|
H, 2-tier |
|
|
ALL MODELS |
| Distortion (SMPTE-IM) |
Less than 0.02% |
Distortion (Typical)
20 Hz-20 kHz: 10 dB below rated power
1.0 kHz and below: full rated power |
Less than 0.01% THD
Less than 0.01% THD |
| Frequency Response |
20 Hz-20 kHz, +/- 0.2 dB |
| Damping Factor |
Greater than 500 |
| Input Impedance |
6k ohms unbalanced, 12k ohms balanced |
| Input Clipping |
10 Vrms (+22 dB) |
| Cooling |
Variable-speed fan, rear-to-front air flow |
Connectors, each channel
|
Input: 3-pin XLR & 3-pin detachable terminal blocks (1 each per channel)
Output: Safety-shrouded barrier strip |
| Amplifier Protection |
Full short circuit, open circuit, thermal, ultrasonic, and RF protection.
Stable into reactive or mismatched loads. |
| Load Protection |
On/Off muting, DC-fault power supply shutdown |
Dimensions
|
19" (48.3 cm) wide, 3.5" (8.9 cm) tall (2 RU),
14" (35.6 cm) deep (from front mounting rails) |
| Weight |
21 lbs (9.5 kg) net
27 lbs
(12.3 kg) shipping |
| * An isolation transformer (the IT-42) is available for the CX302, which converts its low-impedance outputs to isolated 400 W per channel constant-voltage outputs. |
|
| CURRENT CONSUMPTION (120V) |
CX302 |
CX502 |
CX702 |
CX902 |
CX1102 |
CX302V |
CX602V |
CX1202V |
Idle current
(no audio program material) |
|
0.8A |
0.9A
|
0.9A
|
0.9A
|
0.9A
|
0.8A
|
0.9A
|
0.9A
|
1/8 Power pink noise
(typical of program material at maximum unclipped or rarely clipping power) |
8 ohms
4 ohms
2 ohms
70 volts
|
3.8A
6.0A
9.6A
- |
5.6A
9.0A
14.0A
-
|
5.0A
7.9A
11.8A
-
|
6.0A
9.5A
14.0A
-
|
7.6A
11.6A
16.6A
-
|
-
-
-
5.7A
|
-
-
-
8.7A
|
-
-
-
12.0A
|
1/3 Power pink noise
(typical of program material with severe clipping) |
8 ohms
4 ohms
2 ohms
70 volts
|
5.4A
8.9A
14.3A
-
|
8.0A
13.3
21.0A
-
|
8.4A
13.5A
22.0A
-
|
11.0A
17.0A
27.0A
-
|
13.1A
20.0A
30.4A
-
|
-
-
-
8.0A
|
-
-
-
13.0A
|
-
-
-
19.0A
|
|
THERMAL LOSSES (ALL MODELS) |
|
Idle
|
1/8 Power pink noise |
1/3 Power pink noise |
Full Power (sine)
|
| Model |
Load
|
BTU/hr
|
kcal/hr
|
BTU/hr
|
kcal/hr
|
BTU/hr
|
kcal/hr
|
BTU/hr
|
kcal/hr
|
| CX302 |
8 ohms + 8 ohms
4 ohms + 4 ohms
2 ohms + 2 ohms
|
200
200
200
|
50
50
50
|
565
995
1740
|
145
250
440
|
720
1245
2255
|
180
315
570
|
715
1295
2425
|
180
325
610 |
| CX502 |
8 ohms + 8 ohms
4 ohms + 4 ohms
2 ohms + 2 ohms
|
165
165
165
|
40
40
40
|
910
1570
2560
|
230
395
645
|
1130
1945
3470
|
285
490
875
|
1090
1875
3585
|
275
475
905 |
| CX702 |
8 ohms + 8 ohms
4 ohms + 4 ohms
2 ohms + 2 ohms
|
200
200
200
|
50
50
50
|
790
1310
2255
|
200
330
570
|
1080
1910
3190
|
275
480
805
|
1245
2320
4610
|
315
585
1160 |
| CX902 |
8 ohms + 8 ohms
4 ohms + 4 ohms
2 ohms + 2 ohms
|
220
220
220
|
55
55
55
|
900
1525
2305
|
225
385
580
|
1415
2560
4265
|
355
645
1075
|
1705
3070
5835
|
430
775
1470 |
| CX1102 |
8 ohms + 8 ohms
4 ohms + 4 ohms
2 ohms + 2 ohms
|
225
225
225
|
57
57
57
|
1195
2135
3975
|
300
540
1000
|
1760
2335
5210
|
445
590
1315
|
2050
3755
NA
|
515
945
NA |
| CX302V |
70 volts + 70 volts
|
200
|
50 |
1125
|
285
|
1295
|
325
|
1080
|
270
|
| CX602V |
70 volts + 70 volts
|
165
|
40 |
1785
|
450
|
2260
|
570
|
2055
|
520
|
| CX1202V |
70 volts + 70 volts
|
200
|
50
|
2175
|
550
|
2605
|
655
|
4230
|
1065
|
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|
All Specification Subject to Change Without Notice.
PowerLight is a registered trademark of QSC Audio Products, LLC
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