QSC RMX-2450 Power Amplifier

Available: New & Used

These rugged fan-cooled, 2-channel, 2-RU amps provide high-value performance and power in a strong, compact chassis.

 

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

Specifications

Stereo:

  • 8 ohms: 450 W /500 W
  • 4 Ohms: 650W / 750W
  • 2 Ohms: 1200W

Bridge Mono:

  • 8 Ohms: 1300W / 1500W
  • 4 Ohms: 2400 W

Signal to Noise:

  • 20 Hz-20 kHz: 100dB

Distortion (SMPTE-IM):

  • Less than 0.02%

Input Sensitivity @ 8 ohms:

  • 1.23V ( 4.0 dBu)

Voltage Gain:

  • 50x (34 dB)

Output Circuitry:

  • Class H

Power Requirements 1/8 power pink noise at 4 ohms *:

  • 7A

Distortion (Typical):

  • 20 Hz - 20 kHz: 10 dB below rated power
  • 1.0 kHz and below: full rated power

Frequency Response:

  • Less than 0.03% THD, 4 and 8 ohms
  • Less than 0.03% THD, 4 and 8 ohms

Damping Factor Input Impedance:

  • 10k ohms unbalanced, 20k ohms balanced

Input Clipping:

  • 10 Vrms ( 22 dBu)
  • 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:

  • 44.5 Lbs (20.2 Kg) net

* @ 120VAC, both channels driven; multiply current by 0.5 for 230V units
* @ 120VAC, both channels driven; multiply current by 0.5 for 230V units

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