- Description
Details
The CXD4.3 consists of three powerful, four-channel amplifiers, each with onboard DSP and the capability to configure and combine channels in various ways to drive a wide range of loudspeaker systems including 70V and 100V without the use of transformers. These amplifiers not only provide the power and processing to make your system perform better, they offer outstanding efficiency ensuring that energy costs will be kept to a minimum over the life of the installation.
Flexible Amplifier Summing Technology (FAST)
CXD4.3 amplifier features Flexible Amplifier Summing Technology (FAST) that actively distributes the total amplifier power in various configurations across one, two, three or all four outputs. This flexibility allows CXD4.3 amplifier to drive (for example) two full-range surface mounted speakers along with a subwoofer and one 100V distributed speaker line; or a high-power subwoofer and a bi-amplified full-range loudspeaker; three 70V distributed speaker lines and a low impedance surface mount speaker line; or a single high-power channel driving monster subwoofers.
Power Efficiency
CXD4.3 amplifier use QSC’s next generation class-D power amp design in combination with a custom power stage utilizing a new output device. These purpose built MOSFET devices provide high voltage operation without needing a full bridge output and offer better audio quality and thermal performance due to co-location of the semiconductors.
System Processing
A single CXD4.3 amplifier is more than just an amplifier. It is also a capable and sophisticated loudspeaker processor. Integration of DSP and amplification means that the processor knows exactly what the amplifier is doing, allowing the dynamics processing and protection circuitry to be far more accurate and effective.- Features
Features
- Flexible Amplifier Summing Technology™ (FAST) drives most any loudspeaker system or configuration by distributing total amplifier power across one, two, three or all four channels.
- Includes 70V and 100V direct drive.
- Full function onboard loudspeaker processing DSP with Crossover and Parametric EQ Filters, Limiting and Alignment Delay eliminate the need for outboard loudspeaker processors.
- PowerLight universal switchmode power supply with PFC for highest effiency, improved audio performance, and low heat dissipation.
- Preset Wizard simplifies amplifier setup providing system design tools and loudspeaker selection from a list of speakers.
- Powerful Intrinsic Correction™ processing maximizes the sonic performance of QSC loudspeakers.
- 20 Factory Preset configurations that can be modified and stored in the 50 User Presets.
- Integrated front panel with channel Select and Mute buttons, Input and Output LED Metering, 400x240 LCD, intuitive navigation buttons, LED power button and indicator, and cast aluminum handles.
- GPIO for additional functionality including a heartbeat output for Life-Safety supervision.
- Four Input Phoenix connectors, and four Phoenix touch-proof Speaker.
- Specification
4 Ch. Continuous 100 Vms 500 Watts 70 Vmx 625 Watts 8Ω 625 Watts 4Ω 625 Watts 2Ω 625 Watts 2 Ch. Continuous 8Ω 1250 Watts 4Ω 1200 Watts 2Ω 1200 Watts 1 Ch. Continuous 8Ω 2500 Watts 4Ω 2500 Watts 2Ω 2500 Watts 1Ω 2500 Watts Typical Distortion 8Ω 0.01 - 0.03% 4Ω 0.03 - 0.06% Maximum Distortion 4Ω - 8Ω 1.0% Frequency response (8Ω) 20 Hz - 15 kHz +/- 0.2 dB;
20 Hz - 20 kHz +0.2 dB / -0.7 dBNoise Unweighted Output Unmuted -101 dB Weighted Output Muted -109 dB Gain (1.2V setting) 38.4 dB Damping factor >150 Input impedance >10k, balanced or unbalanced Maximum input level (3.9V setting) 12.28V (+24 dBu) (1.2V setting) 3.88V (+14 dBu) Controls and indicators (front) Power , Channel MUTE Buttons, Channel SELECT Buttons, Channel Input Signal and CLIP LED Controls and indicators (front) Channel Output and LIMIT LED Meters; HOME, ENTER, EXIT, GAIN Navigation Buttons; Control Knob Controls and indicators (rear) AC Power Disconnect Input connectors 3-pin Phoenix Output connectors 2-pin Phoenix Speaker Amplifier and load protection Short circuit, open circuit, thermal, RF protection Amplifier and load protection On/Off muting, DC fault shutdown, active inrush limiting, input current limiting AC Power Input Universal Power Supply 100 - 240 VAC, 50 - 60 Hz Agency approvals UL, CE, RoHS/WEEE compliant, FCC Class A (conducted and radiated emissions) Carton contents Locking IEC Cable, Quick Start Guide, USB Cable Dimensions (WHD) 19” x 3.5” x 16” (482mm x 89mm x 406mm) Net Weight 21.0 lbs (9.5 kg) Shipping 25 lbs (11.3 kg) - Reviews
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