CX702 - Amplificateur audio QSC AUDIO - Notice d'utilisation et mode d'emploi gratuit
Retrouvez gratuitement la notice de l'appareil CX702 QSC AUDIO au format PDF.
| Type de produit | Amplificateur de puissance professionnel |
| Caractéristiques techniques principales | 2 canaux, classe D, technologie de protection thermique et de surcharge |
| Alimentation électrique | 230V AC, 50/60Hz |
| Dimensions approximatives | 483 mm x 88 mm x 330 mm |
| Poids | 6,8 kg |
| Compatibilités | Compatible avec divers systèmes de sonorisation et haut-parleurs |
| Puissance | 2 x 350 W sous 4 ohms |
| Fonctions principales | Amplification audio, contrôle de gain, protection contre les courts-circuits |
| Entretien et nettoyage | Nettoyer avec un chiffon doux, éviter l'humidité excessive |
| Pièces détachées et réparabilité | Réparabilité limitée, pièces disponibles via le service client QSC |
| Sécurité | Conforme aux normes de sécurité électrique, protection contre les surcharges |
| Informations générales utiles | Idéal pour les concerts, événements en direct et installations fixes |
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Téléchargez la notice de votre Amplificateur audio au format PDF gratuitement ! Retrouvez votre notice CX702 - QSC AUDIO et reprennez votre appareil électronique en main. Sur cette page sont publiés tous les documents nécessaires à l'utilisation de votre appareil CX702 de la marque QSC AUDIO.
MODE D'EMPLOI CX702 QSC AUDIO
CX302 | CX502 | CX702 | CX902 | CX1102 | CX302V | CX602V | CX1202V

All models include an
integrated security cover for
tamper-proof installations
The CX Series is designed to meet the specialized needs of sound contractors. Eight 2-channel models have been designed from the ground up, combining the exclusive QSC PowerLight™ technology with specific features to meet the requirements of fixed installations.
With high-output power, versatile loading options, high thermal capacity and unmatched reliability, the CX Series is the perfect solution to any permanently installed sound system.
CX 2-channel Amplifiers
| Model | 70 V* | Watts per channel | ||
| 8Ω** | 4Ω** | 2Ω† | ||
| CX302 | - | 200 | 325 | 600 |
| CX502 | - | 300 | 500 | 800 |
| CX702 | - | 425 | 700 | 1200 |
| CX902 | 440 | 550 | 900 | 1500 |
| CX1102 | 1000 | 700 | 1100 | 1700 |
| CX302V | 250 | - | - | - |
| CX602V | 440 | 550 | - | - |
| CX1202V | 1000 | 700 | 1100 | - |
1 kHz, 0.05% THD
*20 Hz - 20 kHz, 0.05% THD
1 kHz, 1% THD
Features
8 models to meet your exact power requirements
- 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 QSControl computer control or signal processing accessories
- 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 with minimal 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 only 2 RU and 14" deep for reduced rack cost and floor space
- Lightweight - all models only 21 pounds (9.5 kg) for easier racking and shipping
- 3-year warranty plus optional 3-year extended service contract
| CX302 | CX502 | CX702 | CX902 | CX1102 | CX302V | CX602V | CX1202V | |
| Stereo Mode (both channels driven) | Continuous average output power per channel | |||||||
| 8Ω / 20 Hz - 20 kHz / 0.05% THD | 200 W | 300 W | 425 W | 550 W | 700 W | - | 550 W | 700 W |
| 4Ω / 20 Hz - 20 kHz / 0.05% THD | 325 W | 500 W | 700 W | 900 W | 1100 W | - | - | 1100 W |
| 2Ω / 1 kHz / 1% THD | 600 W | 800 W | 1200 W | 1500 W | 1700 W | - | - | - |
| 70V / 20 Hz - 20 kHz / 0.05% THD | - | - | - | 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 |
| Bridge-Mono Mode | Bridge-mono mode operation | |||||||
| 16Ω / 20 Hz - 20 kHz / 0.1% THD | 400 W | 600 W | 850 W | 1100 W | 1400 W | - | 1100 W | 1400 W |
| 8Ω / 20 Hz - 20 kHz / 0.1% THD | 700 W | 1100 W | 1500 W | 2000 W | 2200 W | - | - | 2200 W |
| 4Ω / 1 kHz / 1% THD | 1200 W | 1600 W | 2400 W | 3000 W | 3400 W | - | - | - |
| 140V / 20 Hz - 20 kHz / 0.1% 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 |
| Signal to Noise (20 Hz - 20 kHz) | > -107 dB | > -107 dB | > -106 dB | > -106 dB | > -106 dB | > -106 dB | > -106 dB | > -106 dB |
| Input Sensitivity at 8Ω | 1.26 Vrms | 1.23 Vrms | 1.16 Vrms | 1.17 Vrms | 1.35 Vrms | 1.26 Vrms | 1.26 Vrms | 1.26 Vrms |
| Gain at 8Ω | 30 dB | 32 dB | 34 dB | 35 dB | 35 dB | 35 dB | 35 dB | 35 dB |
| Output Circuitry | Class AB+B | Class AB+B | 2-tier Class H | 2-tier Class H | 2-tier Class H | Class AB+B | Class AB+B | 2-tier Class H |
| Distortion (SMPTE-IM) | < 0.02% | |||||||
| Distortion (typical) | ||||||||
| 20 Hz - 20 kHz: 10 dB below rated power | < 0.01% THD | |||||||
| 1.0 kHz and below: full rated power | < 0.01% THD | |||||||
| Frequency Response | 20 Hz - 20 kHz, ± 0.2 dB | |||||||
| Damping Factor | > 500 | |||||||
| Input Impedance | 6k ohms unbalanced, 12k ohms balanced | |||||||
| Input Clipping | 10 Vrms (+22 dBu) | |||||||
| Cooling | Variable-speed fan, rear-to-front air flow | |||||||
| Connectors | 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, RF protection. Stable into reactive or mismatched loads | |||||||
| Load Protection | On/off muting, DC-fault power supply shutdown | |||||||
| Dimensions (HWD) | 3.5" (8.9 cm) 2 RU x 19" (48.3 cm) rack mounting x 14" (35.6 cm) from front mounting rails | |||||||
| Weight - Net / Shipping | 21 lb (9.5 kg) / 27 lb (12.3 kg) | |||||||
| 120V Current Consumption | Idle | 0.8 A | 0.9 A | 0.9 A | 0.9 A | 0.8 A | 0.9 A | 0.9 A |
| 1/8 power pink noise (typical of program material at maximum unclipped power) | 8Ω | 3.8 A | 5.6 A | 5.0 A | 6.0 A | 7.6 A | - | - |
| 4Ω | 6.0 A | 9.0 A | 7.9 A | 9.5 A | 11.6 A | - | - | |
| 2Ω | 9.6 A | 14.0 A | 11.8 A | 14.0 A | 16.6 A | - | - | |
| 70V | - | - | - | - | - | 5.7 A | 8.7 A | |
| 1/3 power pink noise (typical of program material with severe clipping) | 8Ω | 5.4 A | 8.0 A | 8.4 A | 11.0 A | 13.1 A | - | - |
| 4Ω | 8.9 A | 13.3 A | 13.5 A | 17.0 A | 20.0 A | - | - | |
| 2Ω | 14.3 A | 21.0 A | 22.0 A | 27.0 A | - | - | - | |
| 70V | - | - | - | - | - | 8.0 A | 13.0 A | |

Specifications subject to change without notice.
please recycle
