QSC RMX850a Power Amplifier

Sku #J01723000000000

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MSRP: $479.00   You Save: $79.01 (16%)

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The RMXa Series amplifiers from QSC offer true professional-quality performance at an affordable price. The 2-rackspace model RMX850a features output power of 185 watts per channel at 8 ohms. It has a compact chassis less than 16” deep. RMXa amplifiers include 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.

The RMX amplifiers are among the most reliable products in pro audio. It takes some real effort to blow these things up. The RMX design has had a long time to be tested in the marketplace and the results are in. This amp is a beast. Long hours, long roads, hot environments, indoors, outdoors, you name it. The RMX amps are among the best built, most reliable power sources you will find.

Features
  • Compact size
  • High-current toroidal transformers
  • Independent user-defeatable clip limiters
  • Selectable low-frequency
  • Balanced 1/4” (6.3 mm) TRS, XLR, and barrier strip inputs
  • Touch-proof binding post and Neutrik Speakon® outputs
  • Independent DC and thermal overload protection
 

RMX850a Power Amplifier Specifications:

  • Stereo Mode (both channels driven):
  • 8Ω/ FTC 20 Hz – 20 kHz / 0.1% THD: 185W
  • 8Ω/ EIA 1 kHz / 0.1% THD: 200W
  • 4Ω/ FTC 20 Hz – 20 kHz / 0.1% THD: 280W
  • 4Ω/ EIA 1 kHz / 0.1% THD: 300W
  • 2Ω/ FTC 20 Hz – 20 kHz / 1% THD: --
  • 2Ω/ EIA 1 kHz / 1% THD: 700W
  • Bridge-Mono Mode
  • 8Ω/ FTC 20 Hz – 20 kHz / 0.1% THD: 530W
  • 8Ω/ EIA 1 kHz / 0.1% THD: 600W
  • 4Ω/ EIA 1 kHz / 1% THD: 830W
  • Signal to Noise (20 – 20 kHz) 8Ω: > -100 dB
  • Distortion (SMPTE-IM): <0.01%
  • Input Sensitivity at 8Ω: 1.23V (+4.0 dBu)
  • Voltage Gain: 31.6X (30dB)
  • Output Circuitry: Class AB
  • Power Requirements: 4.5A
  • Typical, 1/8 power pink noise at 4Ω*: 6.6A
  • Supplied Plug Type, 100/120V: NEMA 5-15
  • Supplied Plug Type, 230V: CEE7/7
  • Weight: 35lb
  • Frequency Response : 20 Hz – 20 kHz: +0/-1 dB -3 dB points: 5 Hz and 50 kHz (LF filter bypassed / 8Ω)Damping Factor (1 kHz and below)
  • 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+)
  • 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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