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| Power Amp. Made by QSC. (MP.RMX850)
The RMX Series amplifiers give you clean, dynamic power with the legendary QSC sound quality and reliability that pros depend on. The RMX Series deliver unmatched performance at a breakthrough price. And with QSC's free 6 year warranty, the RMX is an even better value. Muscular Power Plant
The power supply is the heart of an amplifier, converting raw AC power from the wall to clean DC for the audio circuitry. The RMX 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 amp to effortlessly punch out high level transients, even when driving abusive 2 ohm speaker loads. Superior Performance
RMX amplifiers deliver true studio-quality sound. A full complementary output circuit using the highest-grade linear output devices delivers ultra-low distortion (<0.05% THD) and a ruler-flat frequency response. SMT (Surface Mount Technology) triples small-signal component density, enabling us to pack up to 2400 watts of power in a chassis only 2 rack spaces and less than 16" deep. And unlike other designs, RMX output devices are direct-mounted to the heat sink for optimum thermal coupling and cooling. Comprehensive Features
The RMX Series is packed full of professional features that increase performance and flexibility: - 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.
- Barrier strip, XLR and 1/4" balanced inputs plus Speakon and binding post outputs provide easy connections.
- Low-noise variable speed fans with rear-to-front air flow keep amplifiers and racks cool.
Proven Reliability
With over 30 years of building amplifiers for the largest touring companies and venues around the world, you can count on QSC's reputation for designing the most reliable amps available. Features: - Compact size
- 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
Output Power: Stereo Mode (both channels driven) - 8 ohms - FTC 20 Hz - 20 kHz, 0.1% THD : 185 W
- 8 ohms - EIA 1 kHz, 0.1% THD : 200 W
- 4 ohms - FTC 20 Hz - 20 kHz, 0.1% THD : 280 W
- 4 ohms - EIA 1 kHz, 0.1% THD : 300 W
- 2 ohms - EIA 1 kHz, 0.1% THD : 430 W
Bridge Mono Mode - 8 ohms - FTC 20 Hz - 20 kHz, 0.1% THD : 530 W
- 8 ohms - EIA 1 kHz, 0.1% THD : 600 W
- 4 ohms - EIA 1 kHz, 0.1% THD : 830 W
Specifications: - 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 5A
- Distortion (Typical), 20 Hz - 20 kHz: 10 dB below rated power - Less than 0.03% THD, 4 and 8 ohms
- Distortion (Typical) - 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 dB)
- 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)
- Connectors, each channel: Output: touch-proof binding posts and Neutrik® Speakon®
- Controls Front: AC switch, Ch. 1 and Ch. 2 gain knobs
- Controls 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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