AF Series 2 Channels DSP Amplifier Module for Active Speaker
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AF Series 2 Channels DSP Amplifier Module for Active Speaker
AF SERIES 2 CHANNELS DSP AMPLIFIER MODULE
for Active Speaker
| MAIN FUNCTIONS |
| 1. Two-channel class D power amplifier designed for active speakers | |||||||
| 2. Switch mode power supply | |||||||
| 3. With the perfect protection functions in under-voltage/overvoltage/overload | |||||||
| 4. With 3-channel digital audio processor | |||||||
| 5. Extend multiple application environments |
| TECHNICAL SPECIFICATIONS |
| Model 型 号 | AF2 | AF2K | |
| 电源供应 Power supply | |||
| 制式 Standard | 条件 Condition | 工作电压范围 Working voltage range | 工作电压范围 Working voltage range |
| 110/120V 制式 Standard | 轻载 Light loading | 85V ~ 135V | 85V ~ 135V |
| 满载 Full loading | 90V ~ 135V | 90V ~ 135V | |
| 220/240V 制式 Standard | 轻载 Light loading | 175V ~ 262V | 175V ~ 262V |
| 满载 Full loading | 200V ~ 262V | 200V ~ 262V | |
| 受数字音频处理器控制的功率扩展 Power extension controlled by digital audio processor | |||
| 固件 Firmware | 输出功率 Output Power | 输出功率 Output Power | |
| AFD1 | 1300W 8 ohms (CH1 桥接Bridging CH2) | 800W 8 ohms (CH1 桥接Bridging CH2) | |
| AFD3 | 400W 8 ohms×2 750W 4 ohms×2 | 300W 8 ohms×2 550W 4 ohms×2 | |
| AFD4 | 400W 8 ohms×2 750W 4 ohms×2 | 300W 8 ohms×2 550W 4 ohms×2 | |
| 工作参数 Working parameter | |||
| 项目 Project | 测试条件 Test Conditions | 参数值 Parameter value | 参数值 Parameter value |
| 电源工作频率 Power operating frequency | 静态测试 Static testing | 33KHz | 33KHz |
| 功放载波频率 Power amplifier carrier frequency | 静态测试 Static testing | 384KHz | 384KHz |
| 输入灵敏度 Input sensitivity | 满足最大功率输出时的处理器输入信号 Processor input signal at maximum power output | 2Vp-p | 2Vp-p |
| 输入阻抗 Input resistance | 平衡模式输入 Balanced mode input | 40K ohms | 40K ohms |
| 单端模式输入 Single-terminal mode input | 20K ohms | 20K ohms | |
| 处理器采样频率 Processor sampling frequency | 处理器对音频信号数字采样精度 Digital sampling accuracy of audio signal by processor | 48Khz | 48Khz |
| 处理器量化位宽 Processor quantization bit width | 数字化精度 Digitalization precision | 24Bit | 24Bit |
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