Product Detail

QSC RMX 850A Power Amplifier

Clean, dynamic power and reliability pros depend on. The QSC Audio RMX 850 Power Amplifier stereo power amplifier provides clean, dynamic power, reliability and true studio-quality sound, at a new breakthrough price. The amplifier is packed full of professional features that increase performance and flexibility. The power supply is the heart of any amplifier, converting raw AC power from the wall to clean DC for the audio circuitry. The RMX 850 uses a powerful high-current toroidal transformer and ample filter capacitance to ensure generous energy reserves. This makes a critical difference in sound quality, allowing the amplifier to effortlessly punch out high level transients, even when driving abusive 2 ohm speaker loads. A full complementary output circuit using the highest-grade linear output devices delivers ultra-low distortion and a ruler-flat frequency response. Surface Mount Technology triples small-signal component density, enabling the manufacturer to deliver large amounts of power in a chassis only two rack spaces and less than sixteen inches deep. The output devices are direct-mounted to the heat sink for optimum thermal coupling and cooling. Independent, defeatable clip limiters reduce distortion without sacrificing peak performance. Selectable low-frequency filters boost system response, protect speakers and ensure low-end tightness by more precisely matching the amplifier's range to the loudspeakers. The RMX 850 provides barrier strip, XLR and 1/4" balanced inputs, plus Speakon and binding post outputs for easy connections. Low-noise variable speed fans with rear-to-front airflow keep the amplifier and rack cool. FeaturesA high output rack-mountable (2RU) 2-channel power amplifier with stereo/parallel/bridged mono modes200 Watts per channel driven into 8 OhmsHigh-current toroidal transformerFully selectable low-frequency filtering with a choice of 30 or 50Hz roll-offFront panel LED indicators for signal and clipFull short circuit, open circuit, thermal, ultrasonic and RF protectionIndependent, user-defeatable clip limitersFull-flow thermal design exhaust at the front, drawing cool air into the rack instead of waste heat (unit also has low-noise variable speed fans)Surface Mount Technology aids compact designBarrier strip, XLR, and 1/4" balanced inputsSpeakon and binding post outputsSpecificationsPower Rating Rating @ 1 kHz, THD=0.1%300W @ 4Ω Stereo (per channel)200W @ 8Ω Stereo (per channel)430W @ 2Ω Stereo (per channel)600W @ 8Ω Bridged-Mono830W @ 4Ω Bridged-MonoRating @ 20 Hz - 20 kHz, THD=0.05%280W @ 4Ω Stereo (per channel)185W @ 8Ω Stereo (per channel)530W @ 8Ω Bridged-MonoDamping Factor: >300 (@8 Ohms)Input Sensitivity: 1.15 VrmsInput Impedance 20 kOhms, balanced10 kOhms, unbalancedGain: 30dBFrequency Response: 20 Hz - 20 kHz, +/-1dBSignal-to-Noise Ratio: 100dB (20 Hz - 20 kHz)Total Harmonic Distortion (THD): <0.01%Input Connections 2 x XLR female, balanced2 x 1/4" TRS phone, balanced2 x barrier stripsOutput Connectors 2 x pair 5-way binding posts2 x NL-4 SpeakonControls Front Panel 2 x rotary Level Control knobs1 x Power switchControls (Rear)1 x 10-pole DIP switch featuring LF filter on/off, LF filter 30/50 Hz1 x Clip Limiter on/off controls for each channel and switches for selecting Stereo, Parallel, or Bridge modePush-button circuit breaker for each channelIndicators1 x green Power On LED2 x yellow Signal LEDs2 x red Clip LEDsCooling: 1 x variable-speed fan (back-to-front airflow)Power Consumption: 5 Amps (1/8 power pink noise @4 Ohms)Power Requirements: 100-120VAC, 60HzDimensions: 19 x 5.25 x 15.9" (483 x 89 x 404mm); 2UWeight: 35 lbs (15.9kg)Specialties Detented Level AttenuatorsComprehensive Protection CircuitryOn/Off Muting, DC-fault Power Supply Shutdown

Suggested Retail Price:		399.99USD
Manufacturer Name:		QSC
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