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QSC RMX4050a Heavy Duty 2 Channel Power Amplifier

 
  • Dale #:

    QSC-RMX4050A
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Description

The RMXa Series amplifiers offer true professional-quality performance at an affordable price. With 1400 W/CH into 4 ohms and 2000 W/CH into 2 ohms all in a chassis that is less than 16 deep the RMX4050a is perfectly suited for performing musicians and mobile entertainers. Features: Professional... Read More

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Description

The RMXa Series amplifiers offer true professional-quality performance at an affordable price. With 1400 W/CH into 4 ohms and 2000 W/CH into 2 ohms all in a chassis that is less than 16 deep the RMX4050a is perfectly suited for performing musicians and mobile entertainers.

Features:

  • Professional quality performance-incorporates road-proven QSC designs
  • The 4000 watt RMX 4050a operates on a standard 15 amp plug (120V)
  • Both the RMX 4050a and RMX 5050a feature a dual mono, high-current power supply for increased reliability and performance
  • The RMX 4050a provides improved thermal performance yielding higher continuous power in 2 ohm stereo or 4 ohm bridged applications.
  • Compact size - up to 2500 watts in 2 rack spaces or 5000 watts in 3 rack spaces
  • 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 Ð 20 kHz / 0.1% THD800 (650**) W
8 / EIA 1 kHz / 0.1% THD850 W
4 / FTC 20 Hz Ð 20 kHz / 0.1% THD1300 W
4 / EIA 1 kHz / 0.1% THD1400 W
2 / FTC 20 Hz Ð 20 kHz / 1% THD1600 W
2 / EIA 1 kHz / 1% THD2000 W
Bridge-Mono Mode
8 / FTC 20 Hz Ð 20 kHz / 0.1% THD2600 W
8 / EIA 1 kHz / 0.1% THD2800 W
4 / EIA 1 kHz / 1% THD4000 W
Signal to Noise (20 Hz Ð 20 kHz) 8 > -100 dB
Distortion (SMPTE-IM)< 0.02%
Input Sensitivity at 8 1.42V (+5.3ÊdBu)
Voltage Gain64x (36 dB)
Output Circuitry3-tier Class H
Power Requirements
Typical, 1/8 power pink noise at 4 10.0 A
Severe, 1/3 power pink noise at 4 20.1 A
Supplied Plug Type, 100/120VNEMA 5-15
Supplied Plug Type, 230VCEE7/7
Weight
Net68ÊlbÊ(30.8 kg)
Shipping77ÊlbÊ(34.9 kg)
Distortion (typical)
20 Hz Ð 20 kHz: 10 dB below rated power< 0.02% THD / 4 and 8
1.0 kHz and below: full rated power< 0.02% THD / 4 and 8
Frequency Response20 Hz Ð 20 kHz: +0/-1 dB -3 dB points: 5 Hz and 50 kHz (LF filterÊbybassedÊ/ 8 )
Damping Factor (1 kHz and below)> 250 at 8
Input Impedance10k ohms unbalanced / 20k ohms balanced
Input Clipping6.4ÊVrmsÊ(+18ÊdBu)
CoolingContinuously 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 /ÊNeutrikÊSpeakon¨
ControlsFront: AC switch / Ch. 1 / 2 gain knobs
Rear: 10-position DIP switch
IndicatorsPower-on: Green LED / Signal: Yellow LED (1 per channel) / Clip: Red LED (1 per channel) | Protect: Red LED
Amplifier ProtectionFull short circuit, open circuit, thermal, ultrasonic, RF protection. Stable into reactive or mismatched loads
Load ProtectionTurn-on/off muting / AC coupling (850, 1450) /ÊTriacÊcrowbar (1850HD, 2450, 4050HD, 5050) on each channel
Dimensions5.25” (13.3 cm) tall / 3 rack spaces
Power Requirements100, 120, 230 VAC, 50 Ð 60 Hz (factory configured)

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