QSC DCA1824 Digital Cinema Power Amplifier – 900W, Class AB+B, PowerLight™ Technology
Product Overview
The QSC DCA1824 is a high-performance Class AB+B digital cinema amplifier, designed for exceptional sound clarity, efficient power management, and low distortion. Powered by QSC’s exclusive PowerLight™ technology, it delivers deep bass response, smooth high frequencies, and optimized power efficiency, making it an ideal choice for professional cinema installations.
With a stereo output of 170W per channel at 8Ω and 250W per channel at 4Ω, the DCA1824 provides reliable, high-quality amplification. In bridged mono mode, it delivers 340W at 16Ω, 500W at 8Ω, and 900W at 4Ω, ensuring powerful, distortion-free performance for high-demand environments.
Key Features
- Class AB+B Amplification – Balances efficiency and low distortion for superior sound.
- Power Output: 170W per channel (8Ω), 250W per channel (4Ω), 900W bridged mono (4Ω).
- PowerLight™ Technology – Enhances bass response and optimizes power management.
- Ultra-Low Distortion & Noise Floor – Provides crisp, professional-grade audio.
- Compact 3.5-Inch Profile – Designed for efficient rack-mounted installations.
- DataPort Interface – Seamless integration with QSC DCP Digital Cinema Processors and DCM Digital Cinema Monitors.
- Patented Output Averaging™ Short Circuit Protection – Ensures reliable operation under demanding conditions.
- Variable-Speed Fan Cooling – Back-to-front airflow maintains optimal temperature.
- Safety-Shrouded Barrier Strip Output Connectors – Provides secure, high-quality connectivity for professional systems.
- LED Status Indicators – Displays real-time metering and operational monitoring.
Technical Specifications
| Specification | Details |
|---|---|
| Power Output (8Ω, 20Hz–20kHz, 0.05% THD) | 170W per channel |
| Power Output (4Ω, 20Hz–20kHz, 0.1% THD) | 250W per channel |
| Power Output (Bridged Mono, 16Ω, 20Hz–20kHz, 0.1% THD) | 340W |
| Power Output (Bridged Mono, 8Ω, 20Hz–20kHz, 0.1% THD) | 500W |
| Power Output (Bridged Mono, 4Ω, 1kHz, 1% THD) | 900W |
| Signal-to-Noise Ratio (20Hz–20kHz, unweighted) | >105 dB |
| Input Sensitivity (Full Rated Power @ 8Ω) | 0.93V RMS |
| Input Sensitivity (Full Rated Power @ 4Ω) | 0.8V RMS |
| Output Circuitry | Class AB+B |
| Distortion (SMPTE-IM) | <0.01% |
| Frequency Response (LF Filter Off) | 20Hz–20kHz ±0.2 dB |
| Damping Factor (1kHz and Below) | >500 |
| Input Impedance | 10kΩ unbalanced, 20kΩ balanced |
| Cooling System | Variable-speed fan, rear-to-front airflow |
| Connectors (Each Channel) | Input: 3-pin detachable terminal blocks; Output: Safety-shrouded barrier strip |
| Voltage Gain (8Ω) | 40x (32 dB) |
| Protection Features | Short circuit, open circuit, thermal, ultrasonic, and RF protection |
Box Dimensions & Weight
- Dimensions: 3.5" H x 19" W x 14" D (standard rack-compatible)
- Weight: 21 lbs
Ideal Applications
- Professional Cinemas
- Home Theater Systems
- Commercial Audio Installations
