The TOA A-2120DD is a high-performance digital mixer amplifier designed for broadcast paging or background music in various settings, including schools, offices, shops, factories, mosques, churches, and large rooms. It provides a robust solution for both public address and background music applications.
Constructed with a durable steel plate casing and an ABS resin front panel, the A-2120DD ensures durability and resilience in demanding environments. Its compact size (420 x 100.6 x 280.3 mm) and lightweight build (4 kg) facilitate easy installation and integration into existing audio systems. The user-friendly front panel allows for straightforward operation, making it easy to use for individuals of all technical skill levels.
| Specification | Details |
|---|---|
| Power Source | 220 - 240 V AC, 50 / 60 Hz |
| Rated Output | 120 W |
| Frequency Response | 50 Hz - 20 kHz (±3 dB) |
| Distortion | < 1 % (at 1 kHz, 1/3 rated output power) |
| Signal-to-Noise Ratio | 60 dB (or more) |
| Inputs |
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| Outputs |
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| Tone Control |
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| Dimensions (W x H x D) | 420 x 100.6 x 280.3 mm |
| Weight | 4 kg |
The A-2120DD delivers clear and reliable audio output, making it suitable for various applications, from background music to public announcements. Its intuitive interface and flexible input options ensure ease of use for both technical operators and end-users. The amplifier's protective features, such as current limiting and thermal protection, contribute to its longevity and dependable performance in diverse environments.
Q: Can the A-2120DD handle multiple microphones simultaneously?
A: Yes, the A-2120DD supports up to three microphones simultaneously, with three microphone inputs available.
Q: Does the amplifier support phantom power for condenser microphones?
A: Yes, MIC 1 input offers optional +21V phantom power, allowing the use of condenser microphones.
Q: Is there a priority muting function for announcements?
A: Yes, MIC 1 has a priority muting feature that attenuates other input signals by 0-30 dB, ensuring clear announcements.
Q: Can the amplifier be connected to an external speaker system?
A: Yes, it features a balanced speaker output (floating) with a 100V line output, suitable for PA systems.
Q: What safety features does the A-2120DD include?
A: It has a built-in current limiter and thermal protection to prevent overheating and damage from overloads.
