Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
Basic Functions
- Large number of accessible channels: 480 channels, test parameters: sine, SD card player.
- Aging test time: 0.1~9999 hours can be set arbitrarily.
- Fault Warning: The 480-way LED on the panel indicates the location of the faulty channel and also displays the cause of the fault.
- Human-machine interface: 7-inch true-color LCD screen display, touch screen + key shortcut input.
New Functions and Features
- The number of channels is large, easy to operate, 480 channels can be started at the same time, open circuit, short circuit judgment and indicator display.
- Complete test signals, built-in sine wave frequency fixing/sweeping, SD player can meet the requirements of loudspeaker life test under different reference standards.
- Modular structure design, contains 5 units, each unit 6 modules, each module contains 16 parallel class D amplifiers, each amplifier is independent of each other, easy maintenance and fault detection.
Technical indicators
| model number | ZC1681B-S480 | |
| Amplifier parameters | ||
| 480 independent power amplifiers | ||
| High output power per circuit | ≤3.5W | |
| Large total output power | ≤1800W | |
| frequency response | 20Hz~20kHz (±0.25dB) | |
| Total Harmonic Distortion (THD) | ≤1%@1W 1K Sine | |
| Output Impedance | ≤0.15Ω | |
| Load Impedance | 4~16Ω | |
| Output voltage adjustable range | 0.10V ~ 4.00V (0.01V step), One Bus Setting Voltage | |
| protective function | Short circuit protection, overheating protection | |
| Sine wave signal generator | ||
| frequency range | 20Hz~20KHz | |
| frequency accuracy | ±0.01% | |
| frequency stability | Better than 60ppm | |
| Spot/Sweep, settable, sweep selectable linear or logarithmic | ||
| sweep period | 0~100 seconds | |
| audio player | ||
| Large supported sample rate (KHz) | 48KHz | |
| Fully support FAT16, FAT32 file system, large support 32G TF card | ||
| Specify file name for playback | ||
| Signal voltage adjustment 0.01V step | ||
