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QSC RMX850 POWER AMP

STOCK CODE: QSCRMX850

QSC RMX850 POWER AMP - 2 X 300W @ 4 OHMS

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

SPECS:
- 8 ohms:
  - FTC 20 Hz - 20 kHz, 0.1% THD: 185 W
  - EIA 1 kHz, 0.1% THD: 200 W
- 4 ohms
  - FTC 20 Hz - 20 kHz, 0.1% THD: 280 W
  - EIA 1 kHz, 0.1% THD: 300 W
- 2 ohms    - EIA 1 kHz, 1% THD: 430 W
- 8 ohms 
  - FTC 20 Hz - 20 kHz, 0.1% THD: 530 W
  - EIA 1 kHz, 0.1% THD: 600 W
- 4 ohms 
   - EIA 1 kHz, 1% THD: 830 W
- Signal to Noise, 20 Hz-20 kHz: 100 dB
- Distortion (SMPTE-IM): Less than 0.01%
- Input Sensitivity @ 8 ohms: 1.15V (+3.4 dBu)
- Voltage Gain: 31.6x (30 dB)
- Output Circuitry: AB
- Power Requirements:
  - 1/8 power pink noise at 4 ohms (@ 120VAC, both channels driven; multiply current by 0.5 for 230V units): 5A
- 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: 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: 35 lbs (15.9 kg) net

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