The QSC RMX 1450a 2 Channel Power Amplifier employs QSCs high-end circuitry to present a powerful amp ideal for small to mid-sized systems. Featuring 1/4 TRS XLR and barrier strip inputs the dual channel power amp can be connected to a range on input sources. It incorporates locking SpeakON outputs and front mounted gain controls for simple operation making it easier for you to control your sound mid-performance. Its compact size saves desk space and makes transport and set-up easier and more time-efficient.
Professional quality performance Incorporating road-proven QSC design the RMX 1450a 2 Channel Power Amplifier is a premium quality versatile piece of equipment. Featuring high-current torodial transformers it has a greater 2-ohm power and lower noise than earlier models. Independent user-defeatable clip limiters even reduce distortion for a cleaner sound. The amp produces 300w at 8 ohms 500w at 4 ohms 700w at 2 ohms and a potential output of 1400w with a 4 ohm bridge. It even includes signal and clip LED indicators so that you can closely monitor your sound mid-performance. Unbeatable design Thanks to the RMX 1450as lightweight and compact size it saves desk space and is ideal for mobile entertainers to pack up and go. Highly portable and easy to store its a convenient way to bring power to your stage. Gain controls are mounted to the front of the amp for easy access during performances. Selectable low-frequency filters protect the speakers and increase headroom ensuring the safety and reliability of your equipment set up. And each channel has independent DC and thermal overload protection which automatically protects the amp and speakers from overheating. Features Compact size – up to 2500 watts in two rack spaces or 5000 watts in three rack spaces High-current toroidal transformers for greater 2-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 The 4000-watt RMX4050a operates on a standard 15 amp plug (120V) Both the RMX4050a and the RMX5050a feature a dual mono high-current power supply for increased reliability and performance The RMX4050as 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. Balanced 1/4″ (6.3 mm) TRS XLR and barrier strip inputs Touch-proof binding post and Neutrik Speakon® outputs Front mounted gain controls for easy access Signal and clip LED indicators for monitoring performance Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers Specifications Power per Channel Stereo Mode (both channels driven) 8Ω FTC 20 Hz-20 kHz 0.1 THD: 260W 8Ω EIA 1 kHz 0.1 THD: 300W 4Ω FTC 20 Hz-20 kHz 0.1 THD: 400W 4Ω EIA 1 kHz 0.1 THD: 500W (0.5 THD) 2Ω EIA 1 kHz 1 THD: 700W Power Bridge-Mono Mode 8Ω FTC 20 Hz-20 kHz 0.1 THD: 800W 8Ω EIA 1 kHz 0.1 THD: 900W 4Ω EIA 1 kHz 1 THD: 1400W Signal to Noise (20 Hz-20 kHz): -100 dB Distortion (SMPTE-IM): Input Sensitivity at 8Ω: 1.15V (+3.4 dBu) Voltage Gain: 40x (32 dB) Output Circuitry: Class AB Current Draw (120 V AC): Typical 1/8 power pink noise at 4Ω*: 6.0 A Severe 1/3 power pink noise at 4Ω*: 9.6 A AC Mains Plug: 100/120V: NEMA 5-15 230V: CEE7/7 Weight: Net: 40 lb (18.2 kg) / Shipping: 46 lb (20.9 kg) Distortion (typical): 20 Hz-20 kHz 10 dB below rated power: 1 kHz and below full rated power: Frequency Response: 20 Hz-20 kHz: +0/-1 dB -3 dB points: 5 Hz and 50 kHz (LF filter bybassed 8Ω) Damping Factor (1 kHz and below): > 300 at 8Ω Input Impedance: 10 kΩ unbalanced; 20 kΩ balanced Input Stage Clipping: 10 V rms (+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+) Output: Touch-proof binding posts; Neutrik Speakon® Controls: Front: AC switch; Channel 1 & 2 gain knobs Rear: 10-position DIP switch LED Indicators: Power on: Green; Signal: Yellow (1 per channel); Clip/Protect: Red (1 per channel) 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 V AC (factory configured) 50-60 Hz
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