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QSC RMX2450a 2 channels, 500w /ch @ 8-Ohm, 750w /ch@ 4-Ohm, 1200w /ch @ 2-Ohm
The RMXa Series amplifiers offer true professional-quality performance at an affordable price. With 800 watts per channel into 4 Ω and 1200 into 2 Ω, all in a chassis that is less than 16" deep, the RMX2450a is perfectly suited for performing musicians. The RMXa Series is an update on a proven line of amplifiers
Features
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Compact size — up to 2500 watts in two rack spaces, or 5000 watts in three rack spaces
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High-current toroidal transformers, for greater 2-ohm power and low noise
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Independent user-defeatable clip limiters reduce distortion
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Selectable low-frequency filters (30 Hz or 50 Hz) protect speakers and increase headroom
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The 4000-watt RMX4050a operates on a standard 15 amp plug (120V)
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Both the RMX4050a and the RMX5050a feature a dual mono, high-current power supply for increased reliability and performance
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The RMX4050a's particularly exceptional combination of cooling capacity and electrical efficiency provides robust thermal performance suitable for high continuous power in 2-ohm stereo or 4-ohm bridged applications.
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Balanced 1/4-inch (6.3 mm) TRS, XLR, and barrier strip inputs
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Touch-proof binding post and Neutrik Speakon® outputs
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Front mounted gain controls for easy access
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Signal and clip LED indicators for monitoring performance
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Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers
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3-year warranty plus optional 3-year extended service contract
Specifications
| Power per Channel, Stereo Mode (both channels driven) 8Ω, FTC 20 Hz–20 kHz, 0.1% THD: |
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| Voltage: |
- Universal Power Supply 100-240v
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| Power per Channel, Stereo Mode (both channels driven) 2Ω, FTC 20 Hz–20 kHz, 1% THD: |
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| Power per Channel, Stereo Mode (both channels driven) 2Ω, EIA 1 kHz, 1% THD: |
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| Power per Channel, Stereo Mode (both channels driven) 4Ω, EIA 1 kHz, 0.1% THD: |
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| Power per Channel, Stereo Mode (both channels driven) 8Ω, EIA 1 kHz, 0.1% THD: |
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| Output Circuitry: |
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| Power, Bridge-Mono Mode 8Ω, FTC 20 Hz–20 kHz, 0.1% THD: |
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| Power, Bridge-Mono Mode 8Ω, EIA 1 kHz, 0.1% THD: |
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| Signal to Noise (20 Hz–20 kHz): |
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| Power per Channel, Stereo Mode (both channels driven) 4Ω, FTC 20 Hz–20 kHz, 0.1% THD: |
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| Power, Bridge-Mono Mode 4Ω, EIA 1 kHz, 1% THD: |
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| Distortion (SMPTE-IM): |
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| Current Draw (120 V AC) Typical, 1/8 power pink noise at 4Ω*: |
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| AC Mains Plug 100/120V: |
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| Input Sensitivity at 8Ω: |
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| AC Mains Plug 230V: |
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| Weight Shipping: |
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| Current Draw (120 V AC) Severe, 1/3 power pink noise at 4Ω*: |
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| Voltage Gain: |
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| Distortion (typical) 1 kHz and below, full rated power: |
- < 0.03% THD, 4Ω and 8Ω
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| Weight Net: |
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| Input Impedance: |
- 10 kΩ unbalanced; 20 kΩ balanced
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| Distortion (typical) 20 Hz–20 kHz, 10 dB below rated power: |
- < 0.03% THD, 4Ω and 8Ω
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| Input Stage Clipping: |
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| Damping Factor (1 kHz and below): |
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| Cooling: |
- Continuously variable speed fan, back-to-front air flow
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| Frequency Response: |
- 20 Hz–20 kHz: +0/-1 dB -3 dB points: 5 Hz and 50 kHz (LF filter bybassed, 8Ω)
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| Connectors (each channel): |
- Input: Active balanced; 3-pin Euro-style detachable terminal block and XLR (pin 2+)
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