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QSC RMX1850HD 1800W POWER AMPLIFIER

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RRP: £816.00 Our Price: £612.00
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QSC RMX1850HD 1800W POWER AMPLIFIER

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Product Description:

The QSC RMX 1850HD gives you clean, dynamic power with the legendary QSC sound quality and reliability that pros depend on. The RMX Series deliver unmatched performance at a breakthrough price. The power supply is the heart of an amplifier, converting raw AC power from the wall to clean DC for the audio circuitry. The RMX uses a powerful high-current toroidal transformer and ample filter capacitance to ensure generous energy reserves. This makes a critical difference in sound quality, allowing the amp to effortlessly punch out high level transients, even when driving abusive 2 ohm speaker loads.

QSC RMX 1850HD Features

  • Compact size - up to 1800 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

 

SPECIFICATIONS
RMX 850 RMX 1450 RMX 1850HD RMX 2450
  STEREO MODE (Both Channels Driven)
8 ohms
  FTC 20 Hz - 20 kHz, 0.1% THD
  EIA 1 kHz, 0.1% THD

185 W
200 W

260 W
280 W

350 W
360 W

450 W
500 W
4 ohms
  FTC 20 Hz - 20 kHz, 0.1% THD
  EIA 1 kHz, 0.1% THD

280 W
300 W

400 W
450 W

550 W
600 W

650 W
750 W
2 ohms
   EIA 1 kHz, 1% THD

430 W

700 W

900 W

1200 W
  BRIDGE MONO MODE
8 ohms
  FTC 20 Hz - 20 kHz, 0.1% THD
  EIA 1 kHz, 0.1% THD

530 W
600 W

800 W
900 W

1100 W
1200 W

1300 W
1500 W
4 ohms
   EIA 1 kHz, 1% THD

830 W

1400 W

1800 W

2400 W
Signal to Noise, 20 Hz-20 kHz 100 dB 100 dB 100 dB 100 dB
Distortion (SMPTE-IM) Less than 0.01% Less than 0.01% Less than 0.02% Less than 0.02%
Input Sensitivity @ 8 ohms 1.15V (+3.4 dBu) 1.15V (+3.4 dBu) 1.16V (+3.5 dBu) 1.23V (+4.0 dBu)
Voltage Gain 31.6x (30 dB) 40x (32 dB) 46x (33 dB) 50x (34 dB)
Output Circuitry AB AB Class H Class H
Power Requirements
1/8 power pink noise at 4 ohms *
5A 6A 6A 7A
  ALL MODELS
Distortion (Typical)
  20 Hz - 20 kHz: 10 dB below rated power
  1.0 kHz and below: full rated power

Less than 0.03% THD, 4 and 8 ohms
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 10k ohms unbalanced, 20k 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" (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 Stable into reactive or mismatched loads
Load Protection On/off muting, AC coupling (850, 1450), triac crowbar (1850HD, 2450, on each channel)
Power Requirements 100, 120, 230 VAC, 50-60 Hz
Dimensions 19" (48.3 cm) rack mounting, 3.5" (8.9 cm) tall (2 RU),
15.9" (40 cm) deep (rack mounting to rear support ears)
Weight 35 lbs (15.9 kg) net 40 lbs (18.2 kg) net 44.5 lbs (20.2 kg) net 44.5 lbs (20.2 kg) net

Additional Information

Manufacturer QSC
Manufacturer Code RMX1850HD

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