QSC CX254 | เครื่องขยายเสียง 4 แชนแนล 170 วัตต์

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SKU
CX254
฿94,000
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      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

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Tel: 02-991-8600086-514-5515

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.
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
 
ข้อมูลเพิ่มเติม
แบรนด์ (Brands)QSC
รุ่นCX254
จำนวนช่อง (Channels)4 Channel
สี (Color)สีดำ
ข้อมูลจำเพาะQSC CX254 เครื่องขยายเสียง 4 แชนแนล 170 วัตต์
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