QSC RMX850A | 2-channel Amplifier | 200w 8ohms

RMX850a

2-Channel Amplifier - 200 Watts 8 Ohms

The 300 watts per channel 4Ω QSC RMX850a Power Amplifier is a 2RU rack mountable amplifier designed for live sound reinforcement applications. The amplifier features two Class AB output channels that can operate in either stereo or mono bridge mode. The unit operates on a standard 15 amp plug and utilizes high-current toroidal transformers for less noise and better performance when pushing a 2 ohm load. To reduce distortion, the amplifier utilizes independent user-defeatable clip limiters and includes LED indicator lights to show the presence of the signal and when the signal is clipping.

The chassis of the amplifier is designed with front to rear cooling vents and includes selectable low-frequency filters at 30 Hz and 50 Hz to protect speakers from bottoming out and improve headroom when driving mid and high frequencies. The front panel of the unit features two gain control knobs for easy access and each channel is protected by a dedicated DC and thermal overload protection circuit. For inputs, the back of the unit accepts both balanced 1/4" and XLR inputs. For outputs, the unit features both Neutrik Speakon and touch-proof binding post connections. 

Specifications

• Number of Channels
  • 2
• Amplifier Power Rating
  • 8 Ohms:
    • 185 W per Channel (Full Range, 0.1% THD)
    • 530 W Bridged (Full Range, 0.1% THD)
    • 200 W per Channel (1 kHz, 0.1% THD)
    • 600 W Bridged (1 kHz, 0.1% THD)
  • 4 Ohms:
    • 280 W per Channel (Full Range, 0.1% THD)
    • 300 W (1 kHz, 0.1% THD)
    • 830 W Bridged (1 kHz, 0.1% THD)
  • 2 Ohms:
    • 430 W per Channel (1 kHz, 0.1% THD)
• Amplifier Class
  • AB
• Protections
  • AC Coupling, On/Off Muting, Open Circuit, Overvoltage, RF, Reactive/Mismatched Load, Short Circuit, Thermal, Ultrasonic
• Frequency Response
  • 20 Hz to 20 kHz +0/-1 dB (-3 dB)
  • 5 Hz to 50 kHz (HPF Off, 8 Ohms)
• Damping Factor
  • > 300 at 8 Ohms
• Input Sensitivity
  • 1.15 V / 3.4 dBu (at 8 Ohms)
• Input Impedance
  • 10 Kilohms (Unbalanced)
  • 20 Kilohms (Balanced)
• Max Gain
  • 30 dB
• SNR
  • > -100 dB
• THD
  • 4 / 8 Ohms:
    • < 0.03% (Full Range, at Rated Power -10 dB)
    • < 0.03% (1 kHz, at Rated Power)
• Intermodulation Distortion
  • < 0.01% (SMPTE)
• Analog Audio I/O
  • 2x Binding Post Pair Output
  • 2x speakON Output
  • Block 3-Pin Balanced Input
  • 2x XLR 3-Pin Input
  • 2x 1/4" TRS Input
• AC Input Power
  • Factory Set:
    • 100 VAC, 50 / 60 Hz
    • 120 VAC, 50 / 60 Hz
    • 230 VAC, 50 / 60 Hz
• Current Consumption
  • 4.5 A
• Display / Indicators
  • Green LED (Power)
  • Yellow LED (Signal, per Channel)
  • Red LED (Clip, per Channel)
  • Red LED (Protect, per Channel)
• Rackmount Size
  • 2 RU
• Cooling
  • Fan (Variable Speed)
• Dimensions
  • 3.5 x 19.0 x 15.9" / 89.0 x 482.0 x 404.0 mm
• Weight
  • 35 lb / 15.9 kg