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เพาเวอร์แอมป์ QSC CMX2000Va Stereo Power Amplifier

เครื่องขยายเสียงกลางแจ้ง (เพาเวอร์แอมป์) QSC CMX2000Va มีกำลังขับ 1100 วัตต์ x 2 ที่ 8 โอหม์, 70 V mono 5000 วัตต์, class AB, DIP switches for easy selection of stereo, parallel, or bridged mode operation, Tamper-proof security cover for gain controls

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QSC CMX2000Va Professional Power Amplifier (1100W @ 8 Ohms)

เครื่องขยายเสียงกลางแจ้ง (เพาเวอร์แอมป์) QSC CMX2000Va มีกำลังขับ 1100 วัตต์ x 2 ที่ 8 โอหม์, 70 V mono 5000 วัตต์, class AB, DIP switches for easy selection of stereo, parallel, or bridged mode operation, Tamper-proof security cover for gain controls

The QSC CMX2000Va 2500W Professional Power Amplifier is a 3RU power amplifier designed for live sound reinforcement applications such as for performance halls, houses of worship, sports clubs, gymnasiums, dance venues, pubs, and more.

The amplifier uses a powerful, high-current toroidal transformer with filtering to ensure sufficient energy reserves. This allows the amplifier to handle high-level transients, even when driving 2Ω speaker loads.

The amplifier output sections feature 3-tier class H architecture. The class H output section reduces AC current draw and cuts down on unnecessary heat. Automatic current limiting protects the amplifier from damage until the short is corrected. It also features DC protection systems to prevent loudspeaker damage in the unlikely event of an output transistor failure. DC voltage from the power supply is never passed directly to your speakers, even in case of an output circuit breakdown.

A full complementary output circuit using high-grade linear output devices generates a flat-frequency response with low distortion. SMT (Surface Mount Technology) triples small-signal component density, enabling high power output in a 3RU chassis, less than 16″ deep. The output devices are directly mounted to the heat sink to improve thermal coupling and cooling.

The unit has the ability to directly drive 70 and/or 100V distributed loudspeakers. The amplifier may be used in either stereo or mono mode. For installations requiring a transformer isolated output, the CMX has optional accessories to accommodate different applications.

Features:

  • Flex-use loading options can drive low-impedance loads down to 2Ω and even 70 and 100V distributed loudspeaker systems
  • Flex-use input connectivity choices including actively balanced barrier strip, XLR, or 1/4″ TRS
  • Flex-use output connectivity choices include NL4 Speakon and detachable terminal block
  • Rack mountable chassis less than 16″ deep
  • 1 dB recessed, detented gain control provides fast, accurate, and repeatable settings
  • Tamper-proof security cover for gain controls
  • Recessed rear DIP switches for easy selection of stereo, parallel, or bridged mode operation, and the additional choice of enabling/disabling low frequency filter protection
  • Low-noise, variable-speed fans with rear-to-front airflow prevent amplifiers and racks from overheating
  • May be used in either stereo or mono mode
  • Used in facilities such as performance halls, houses of worship, sports clubs, gymnasiums, dance venues, pubs, and FGM/BGM systems

SPECIFICATIONS

Connectors Input (active balanced): 2 x barrier strip
2 x 3-Pin XLR 
2 x 1/4″ (6.3 mm) to TRS tip and XLR pin 2 positive

Output:2 x detachable terminal block 
2 x Neutrik Speakon

Stereo FTC Power 8Ω / FTC 20 to 20,000 Hz / 0.1% THD: 1050 W
8Ω / EIA 1,000 Hz / 0.1% THD: 1100 W
4Ω / FTC 20 to 20,000 Hz / 0.1% THD: 1600 W
4Ω / EIA 1,000 Hz / 0.5% THD: 2000 W (1% THD)
2Ω / EIA 1,000 Hz / 1% THD: 2500 W
70 V Direct Drive / EIA 1,000 Hz / 1% THD: 2500 W
100 V Direct Drive / EIA 1,000 Hz / 1% THD: 1000 W
Bridge 8Ω / FTC 20 to 20,000 Hz / 0.1% THD: 3200 W
8Ω / EIA 1,000 Hz / 0.1% THD: 3600 W
4Ω / EIA 1,000 Hz / 1% THD: 5000 W
70 V Direct Drive / EIA 1,000 Hz / 1% THD: 5000 W
100 V Direct Drive / EIA 1,000 Hz / 1% THD: 3600 W
Signal to Noise Ratio 20 to 20,000 Hz, 8Ω: > -100 dB
Input Sensitivity @ 8 ohms 1.42 V (+5.3 dBu)
Voltage Gain At 8 Ω: 64 x (36 dB)
Output Circuit 3-tier Class H
Power Requirements Typical, 1/8 Power Pink Noise at 4 Ω, 120 VAC: 13.9 A
Typical, 1/8 Power Pink Noise at 4 Ω, 230 VAC: 7 A
Severe, 1/3 Power Pink Noise at 4 Ω, 120 VAC: 26.9 A
Severe, 1/3 Power Pink Noise at 4 Ω, 230 VAC: 13.5 A
Distortion SMPTE-M: < 0.01% 
20 to 20,000 Hz at 10 dB below rated power (typical): < 0.03% THD / 4 Ω and 8 Ω 
1,000 Hz and below full-rated power (typical): <0.03% THD at 4 Ω and 8 Ω
Frequency Response 20 to 20,000 Hz: ±1 dB
-3 dB points: 5 to 50,000 Hz
Damping Factor > 300 at 8 Ω (1,000 Hz and below)
Input Impedance 10 kΩ unbalanced, 20 kΩ balanced
Input Clipping Level 10 Vrms (+22 dB)
Cooling Continuously variable-speed fan, rear-to-front air flow
Controls Front: AC switch, channel 1 and 2 gain knobs
Rear: 10-position DIP switch
Indicators Power-On: Green LED
Signal: Green LED (1 per channel)
Clip: Red LED (1 per channel)
Protection Amplifier: Stable into reactive or mismatched loads 
Load: On/off muting, AC coupling, triac crowbar
Power Requirement 120 and 230 VAC, 50 to 60 Hz
Dimensions (H x W x D) 5.2 x 19.0 x 15.9″ (13.2 x 48.3 x 40.0 cm)
Weight 75.0 lb (33.1 kg)
Packaging Info
Package Weight 80.6 lb
Box Dimensions (LxWxH) 24.0 x 22.0 x 8.0″

DOWNLOADS

ดาวน์โหลด User Manual เพาเวอร์แอมป์ QSC CMX2000Va

ดาวน์โหลด Specifications Sheet เพาเวอร์แอมป์ QSC CMX2000Va