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QSC : RMX5050a QSC

2-Channel Power Amplifier - 1100 watts/ch at 8Ω
หมายเลขสินค้า : RMX5050a

ราคา 87,550.00 บาท

ราคาปกติ : 103,000.00 บาท

ประหยัดไป 15,450.00 บาท

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2-Channel Power Amplifier - 1100 watts/ch at 8Ω

 

The QSC RMX5050A 5000W Professional Power Amplifier is a 3RU unit designed for high powered live sound reinforcement applications. The amplifier can operate in stereo, dual mono, or mono bridged modes and can handle output impedances between 2 and 8Ω. The unit is rated at 1100W per channel at 8Ω between 20 and 20,000 Hz, 1800W per channel at 4Ω between 20 and 20,000 Hz, 2500W per channel at 2Ω between 20 and 20,000 Hz, and 3600W at 8Ω in bridged mono mode between 20 and 20,000 Hz. The amplifier utilizes high-current toroidal transformers for greater power and lower noise when driving 2Ω loads. 


For I/O, the unit accepts balanced 1/4" TRS, XLR, and barrier strip inputs as well as touch proof binding post and Neutrik Speakon outputs. The front panel features independent gain controls for both channels with LED indicator lights to monitor the presence of the signal and when the signal is clipping. 


Each channel is built with DC and thermal overload protection. Independent user-defeatable clip limiters reduce distortion. A selectable 30 or 50 Hz low-frequency filter can be engaged to protect your speakers from bottoming out and increase overall headroom.

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 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.
  • 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

 

 

  RMX 850a RMX 1450a RMX 2450a RMX 4050a RMX 5050a
Power per Channel, Stereo Mode (both channels driven)
8Ω, FTC 20 Hz–20 kHz, 0.1% THD 185 W 260 W 450 W 800 (650**) W 1050 W
8Ω, EIA 1 kHz, 0.1% THD 200 W 300 W 500 W 850 W 1100 W
4Ω, FTC 20 Hz–20 kHz, 0.1% THD 280 W 400 W 650 W 1300 W 1600 W
4Ω, EIA 1 kHz, 0.1% THD 300 W 500 W (0.5% THD) 750 W 1400 W 1800 W
2Ω, FTC 20 Hz–20 kHz, 1% THD – – – 1600 W 2000 W
2Ω, EIA 1 kHz, 1% THD 430 W 700 W 1200 W 2000 W 2500 W
Power, Bridge-Mono Mode
8Ω, FTC 20 Hz–20 kHz, 0.1% THD 530 W 800 W 1300 W 2600 W 3200 W
8Ω, EIA 1 kHz, 0.1% THD 600 W 900 W 1500 W 2800 W 3600 W
4Ω, EIA 1 kHz, 1% THD 830 W 1400 W 2400 W 4000 W 5000 W
Signal to Noise (20 Hz–20 kHz) -100 dB -100 dB -100 dB -100 dB -100 dB
Distortion (SMPTE-IM) < 0.01% < 0.01% < 0.02% < 0.02% < 0.02%
Input Sensitivity at 8Ω 1.15V (+3.4dBu) 1.15V (+3.4 dBu) 1.23V (+4.0 dBu) 1.42V (+5.3 dBu) 1.42V (+5.3 dBu)
Voltage Gain 31.6x (30 dB) 40x (32 dB) 50x (34 dB) 64x (36 dB) 64x (36 dB)
Output Circuitry Class AB Class AB 2-tier Class H 3-tier Class H 3-tier Class H
Current Draw (120 V AC)
Typical, 1/8 power pink noise at 4Ω*
Severe, 1/3 power pink noise at 4Ω*
4.5 A
6.6 A
6.0 A
9.6 A
6.3 A
15.6 A
10.0 A
20.1 A
13.9 A
26.9 A
AC Mains Plug
 100/120V
 230V
NEMA 5-15
CEE7/7
NEMA 5-15
CEE7/7
NEMA 5-15
CEE7/7
NEMA 5-15
CEE7/7
NEMA 5-20
CEE7/7
Weight
 Net
 Shipping
35 lb (15.9 kg)
41 lb (18.6 kg)
40 lb (18.2 kg)
46 lb (20.9 kg)
44.5 lb (20.2 kg)
50.5 lb (23 kg)
68 lb (30.8 kg)
77 lb (34.9 kg)
75 lb (33.1 kg)
87 lb (37.2 kg)
Distortion (typical)
 20 Hz–20 kHz, 10 dB below rated power
 1 kHz and below, full rated power
< 0.03% THD, 4Ω and 8Ω
< 0.03% THD, 4Ω and 8Ω
< 0.02% THD, 4Ω and 8Ω
< 0.02% THD, 4Ω and 8Ω
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 > 250 at 8Ω
Input Impedance 10 kΩ unbalanced; 20 kΩ balanced
Input Stage Clipping 10 V rms (+22 dBu) 6.4 V rms (+18 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 5.25” (13.3 cm) tall; 3 rack spaces
Power Requirements 100, 120, 230 V AC (factory configured), 50–60 Hz

 

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