CTC-HDF Constant Voltage Digital Power Amplifier
Overview
- This device is suitable for public address systems in factories, firefighting, high-speed railways, highways, coal mines, and other applications.
- Built-in short-circuit, overcurrent, and temperature protection mechanisms enable long-term full-power operation, ensuring clear and stable sound quality with a compact installation form.
- Supports an AC 220V input range (85~300V).
Key Features
- High Stability: Built-in protection mechanisms against short circuits, overcurrent, and overheating, suitable for various broadcasting applications
- Full-Power Operation: Designed for prolonged full-power output with stable audio signals
- Wide Input Voltage Range: Strong grid adaptability, supporting AC 220V input with a voltage range of 85~300V
- Easy Installation & Compact Structure: Standard rack-mountable design with clearly partitioned front/rear panels for easy maintenance
Core Parameters
- Power Configuration: 300W~1200W selectable
- Output Type: Constant voltage 100V output
- Signal-to-Noise Ratio (S/N): >83dB
- Frequency Range: 20Hz~20KHz
- Distortion (THD+N): <0.5% or <1%@Max RMS Power
- Power Supply Voltage: AC220V / 50Hz
- Auto Fan: Stops when temperature <50°C; activates when ≥50°C, protection triggered at ≥90°C
- Protection Modes: Short-circuit/overcurrent/overtemperature auto-cutoff, auto-recovery after fault resolution
Typical Applications
- Public Broadcasting: Factories, firefighting, mines, etc., requiring long-duration, high-power broadcasting
- Highways/High-Speed Rail: Indoor and outdoor broadcasting with emergency information dissemination
- Large Venues: Reliable full-power output required in sound reinforcement systems
- Security Monitoring: Integrated with channel monitoring to trigger alarms promptly in case of output failure