QSC RMX1850HD เพาเวอร์แอมป์ เครื่องขยายเสียง LOW-Z  Power Amplifier

FEATURES

• Compact size - up to 2400 watts in 2 rack spaces
• Professional quality performance - incorporates road-proven QSC designs
• High-current toroidal transformers for greater two-ohm power and low noise
• Independent user-defeatable clip limiters reduce distortion
• Selectable low-frequency filters (30 Hz or 50 Hz) protect speakers and increase headroom
• Balanced 1/4" (6.3mm) TRS, XLR and barrier strip inputs
• Binding post and Neutrik Speakon outputs
• Front mounted gain controls for easy access
• Signal and Clip LED indicators to monitor performance
• Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers
• 3-year warranty plus optional 3-year extended service contract

RMX Series Specifications

• Distortion (Typical):
  • 20 Hz-20 kHz: 10 dB below rated power, Less than 0.03% THD 4 and 8 ohms
  • 1.0 kHz and below: Full rated power, Less than 0.03% THD 4 and 8 ohms
• Frequency Response: 20 Hz-20 kHz, +/- 1 dB, -3 dB points: 5 Hz-50 kHz
• Damping Factor, 1 kHz and below: Greater than 300 at 8 ohms
• Input Impedance: 10 k ohms unbalanced, 20 k ohms balanced
• Input Clipping: 10 Vrms (+22 dB)
• Cooling: Continuously variable-speed fan, rear-to-front air flow
• Connectors, each channel
  • Input: Active balanced; barrier strip, XLR and 1/4 inch (6.3mm) TRS tip and XLR pin 2 positive
  • Output: touch-proof binding posts and Neutrik Speakon
• Controls:
  • Front: AC switch, Ch. 1 and Ch. 2 gain knobs
  • Rear: 10-position DIP switch
• Indicators
  • Power On: Green LED
  • Signal: Yellow LED, 1 per channel
  • Clip: Red LED, 1 per channel
• Amplifier Protection:
  • Full short circuit, open circuit, thermal, ultrasonic, and RF protection
  • Stable into reactive or mismatched loads
• Load Protection: On/off muting, AC coupling (850, 1450), triac crowbar (2450, on each channel)
• Dimensions: 19 inches (48.3 cm) rack mounting, 3.5 inches (8.9 cm) tall (2 rack spaces), 15.9 inches (40 cm) deep (rack mounting to rear support ears)
• Power Requirements: 100, 120, 230 VAC, 50-60 Hz