QSC CX404 4 channels, 250 watts/ch at 8Ω, 400 watts/ch at 4Ω
Vendor: QSC
Description QSC CX404 4 channels, 250 watts/ch at 8Ω, 400 watts/ch at 4Ω With this 4-channel CX amplifiers it can give you four channels, without compromising the power, in only two rack spaces....
Available
QSC CX404 4 channels, 250 watts/ch at 8Ω, 400 watts/ch at 4Ω
With this 4-channel CX amplifiers it can give you four channels, without compromising the power, in only two rack spaces. You can choose from three models, two low-impedance versions and a one direct 70 volt model. Each of this model is crafted with exclusive QSC Powerlight™ switching power supply technology to eliminate the hum and noise virtually. The CX Series is the perfect solution because it is designed with high-thermal capacity, high-output power, versatile loading options and unmatched reliability, to any permanently installed sound system. One of this amplifier is QSC CX404 4 channels, 250 watts/ch at 8Ω, 400 watts/ch at 4Ω.
Features
- Compact size — only 2 RU and 14" deep for reduced rack cost and floor space
- Bridgeable channels 1 + 2 and 3 + 4, for maximum flexibility
- Active inrush limiting eliminates AC inrush current, removing the need for expensive power sequencers
- HD15 DataPort connector for Q-SYS networked control and monitoring
- 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
- Detachable Euro style input connectors
- DIP switch control for clip limiters, high pass filters, bridge mono and parallel operation
- Exclusive PowerLight switch-mode power supply technology for high performance and compact size
- Selectable high-pass filters protect speakers and prevent speaker transformer saturation with minimal effect on program material (33 Hz or 75 Hz)
- 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
- High-performance Class AB+B complementary bipolar output circuitry
- Lightweight—all models 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.
SPECIFICATIONS | CX404 | ||
POWER PER CHANNEL, STEREO MODE (all channels driven) | |||
8Ω, 20 Hz–20 kHz 0.05% THD | 250 W | ||
4Ω, 20 Hz–20 kHz 0.05% THD | 400 W* | ||
2Ω, 1 kHz 1% THD | not recommended | ||
70 V, 20 Hz–20 kHz 0.05% THD | - | ||
70 V, 1 kHz 0.05% THD | - | ||
70 V, 1 kHz 1% THD | - | ||
POWER, BRIDGED MONO MODE | |||
16Ω, 20 Hz–20 kHz 0.1% THD | 500 W | ||
8Ω, 20 Hz–20 kHz 0.1% THD | 800 W* | ||
4Ω, 1 kHz 1% THD | not recommended | ||
140 V, 20 Hz–20 kHz 0.1% THD | - | ||
140 V, 1 kHz 0.05% THD | - | ||
140 V, 1 kHz 1% THD | - | ||
Noise, 20 Hz–20 kHz | >105 dB | ||
Input Sensitivity | 1.22 V rms | ||
Maximum Voltage Gain | 31 dB | ||
Input Clipping | 10 V rms (+22 dBu) | ||
Output Circuitry Class | AB+B | ||
Distortion(SMPTE-IM) | Less than 0.01% | ||
ALL MODELS | |||
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(typical) | 20 Hz–20 kHz, ± 0.2 dB 8 Hz–50 kHz, +0/-3 dB | ||
Damping Factor | Greater than 500 (1 kHz and below) | ||
Input Impedance | 6 kΩ unbalanced, 12 kΩ balanced | ||
Cooling | Variable speed fan, rear to front airflow through tunnel heat sink | ||
Connectors, each channel |
Input: 3 position Euro-style detachable barrier block, channels 1, 2, 3, 4 DataPort: two HD-15 connectors—Ch 1+2, Ch 3+4 Output: Six-position barrier strip with monitor connections, Ch 1+2, Ch 3+4 |
||
Amplifier Protection | Full short circuit, open circuit, thermal, ultrasonic, & protection. Stable into reactive or mismatched loads. | ||
Load Protection | On/off muting, DC-fault power supply protection | ||
Indicators |
PARALLEL INPUTS: Red LED BRIDGED: Yellow LED PWR-ON: Green LED |
CLIP/PROT: Red LED (1 per channel) LEVEL-10 dB: Yellow LED (1 per channel) LEVEL-20 dB: Yellow LED (1 per channel) SIGNAL -35 dB: Green LED (1 per channel) |
|
Controls |
Controls Front: AC switch, four gain knobs Rear: Two DIP switch gangs—channels 1 and 2; channels 3 and 4: clip limiter on/off, LF filter on/off, LF filter freq select 33 Hz or 75 Hz for non-V models; 50 Hz or 75 Hz for V models; inputs parallel or stereo; bridge mode |
||
Dimensions |
19" (48.3 cm) rack mounting, 3.5" (8.9 cm) tall (2 rack spaces), 14" (35.6 cm) deep (from front mounting rails) |
||
Weight | 21 lb (9.5 kg) net, 27 lb (12.3 kg) shipping | ||
Power Requirements | 100, 120, 230 V AC, 50–60 Hz |
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