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QSC RMX850a 2 Channel Power Amplifier

 
  • Dale #:

    QSC-RMX850A
  • Availability:

    In Stock
  • Available for immediate shipment or pick-up from our Jamaica, NY warehouse. In-store pick-up is available Monday through Friday 8:30 am to 5:30 pm.

Description

The RMXa Series amplifiers offer true professional-quality performance at an affordable price. With 300 W/CH into 4 ohms and 430 W/CH into 2 ohms all in a chassis that is less than 16 deep the RMX850a is perfectly suited for performing musicians and mobile entertainers. It includes a comprehensiv... Read More

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Description

The RMXa Series amplifiers offer true professional-quality performance at an affordable price. With 300 W/CH into 4 ohms and 430 W/CH into 2 ohms all in a chassis that is less than 16 deep the RMX850a is perfectly suited for performing musicians and mobile entertainers. It includes a comprehensive set of features including XLR and 1/4" balanced inputs, Speakon® and binding post outposts for convenient connectivity. User-defeatable clip limiters and selectable low-frequency filters optimize sonic performance.

Features:

  • Professional quality performance-incorporates road-proven QSC designs
  • High-current toroidal transformers for greater 2 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" (6.3 mm) TRS, XLR, and barrier strip inputs
  • Touch-proof 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

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Product Specs

Stereo Mode (both channels driven)  
8 / FTC 20 Hz – 20 kHz / 0.1% THD 185 W
8 / EIA 1 kHz / 0.1% THD 200 W
4 / FTC 20 Hz – 20 kHz / 0.1% THD 280 W
2 / FTC 20 Hz – 20 kHz / 1% THD 300 W
2 / EIA 1 kHz / 1% THD 430 W
Bridge-Mono Mode  
8 / FTC 20 Hz – 20 kHz / 0.1% THD 530 W
8 / EIA 1 kHz / 0.1% THD 600 W
4 / EIA 1 kHz / 1% THD 830 W
Signal to Noise (20 Hz – 20 kHz) 8 > -100 dB
Distortion (SMPTE-IM) < 0.01%
Input Sensitivity at 8 1.15V (+3.4dBu)
Voltage Gain 31.6x (30 dB)
Output Circuitry Class AB
Power Requirements  
Typical, 1/8 power pink noise at 4 4.5 A
Severe, 1/3 power pink noise at 4 6.6 A
Supplied Plug Type, 100/120V NEMA 5-15
Supplied Plug Type, 230V CEE7/7
Weight  
Net 35 lb (15.9 kg)
Shipping 41 lb (18.6 kg)
Distortion (typical)  
20 Hz – 20 kHz: 10 dB below rated power < 0.03% THD / 4 and 8
1.0 kHz and below: full rated power < 0.03% THD / 4 and 8
Frequency Response 20 Hz – 20 kHz: +0/-1 dB -3 dB points: 5 Hz and 50 kHz (LF filter bybassed / 8 )
Damping Factor (1 kHz and below) > 300 at 8
Input Impedance 10k ohms unbalanced / 20k ohms balanced
Input Clipping 10 Vrms (+22 dBu)
Cooling Continuously variable speed fan, back-to-front air flow
Connectors (each channel) Input: Active balanced / 3-pin Euro-style detachable terminal block and XLR (pin 2+)
Output: Touch-proof binding posts / Neutrik Speakon®
Controls Front: AC switch / Ch. 1 & 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) | Protect: Red LED
Amplifier Protection Full short circuit, open circuit, thermal, ultrasonic, RF protection. Stable into reactive or mismatched loads
Load Protection Turn-on/off muting / AC coupling (850, 1450) / Triac crowbar (1850HD, 2450, 4050HD, 5050) on each channel
Dimensions 3.5” (8.9 cm) tall / 2 rack spaces
Power Requirements 100, 120, 230 VAC, 50 – 60 Hz (factory configured)

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