VP-7727D is a dual-channel audio analyzer with low distortion audio signal source and dual-channel test function. Adopting high-precision and high-stability fast testing technology, multiple filters plus 100 storage memories can write automatic test programs and upper and lower limit settings, making audio product testing faster and more convenient. SINAD function makes VP-7727D also applicable to audio testing of communication products.
The VP-7727D audio analyzer provides two independent channels for signal generation and measurement, featuring low‑distortion audio sources, 100 memory locations, and programmable test sequences. It supports GPIB communication for PC‑based control and can store test results for further analysis.
Key specifications include a frequency range of 5 Hz – 110 kHz, output levels from –85.9 dBV to 14.0 dBV, distortion ≤0.001 % (100 dB), and various selectable filter options for different testing scenarios. This manual is written in Chinese.
| Frequency range | 5 Hz to 110 kHz |
|---|---|
| Output level | 14.0 dBV to –85.9 dBV |
| Distortion | ≤0.001 % (100 dB) |
| Channels | Dual channel L&R |
| Memory locations | 100 |
| GPIB control | Supported |
The analyzer covers frequencies from 5 Hz up to 110 kHz.
It provides 100 memory locations for storing test data.
Yes, the device includes GPIB software for PC control.
The maximum output level is 14.0 dBV.