SPECIFICATIONS | CX254 |
POWER PER CHANNEL, STEREO MODE (all channels driven) | |
8Ω, 20 Hz–20 kHz 0.05% THD | 170 W |
4Ω, 20 Hz–20 kHz 0.05% THD | 250 W |
2Ω, 1 kHz 1% THD | 450 W |
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 | 340 W |
8Ω, 20 Hz–20 kHz 0.1% THD | 500 W |
4Ω, 1 kHz 1% THD | 900 W |
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 | >106 dB |
Input Sensitivity | 1.22 V rms |
Maximum Voltage Gain | 29 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 |
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
|
QSC CX254 | เครื่องขยายเสียง 4 แชนแนล 170 วัตต์
QSC CX254 มีกำลังขับ 170 วัตต์ x 4 ที่ 8 โอหม์, DIP switch control for clip limiters, high pass filters, bridge-mono and parallel operation, HD15 DataPort connectors for QSControl, Comprehensive protection circuitry
ยกเลิกการผลิต
สอบถามข้อมูล
Tel: 02-991-8600, 086-514-5515
QSC CX254 เครื่องขยายเสียง 4 แชนแนล 170 วัตต์
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.
แบรนด์ (Brands) | QSC |
---|---|
รุ่น | CX254 |
จำนวนช่อง (Channels) | 4 Channel |
สี (Color) | สีดำ |
ข้อมูลจำเพาะ | QSC CX254 เครื่องขยายเสียง 4 แชนแนล 170 วัตต์ |
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