The turnkey system is based on the high-speed audio analyzer RT-2M and the production test software RT-Speaker. It provides a comprehensive set of measurements for the total quality control of drivers, tweeters, woofers, headphones, speaker boxes, 100V speakers ... and final products.
Key Features
- Speed: Test cycle time is typically 1.5 - 2.5 sec excluding handling
- Accuracy: Reliable technology provides accurate and consistent test result
- Rub&Buzz: Superior Rub&Buzz defects detection with a 100% correlation to the human ear. Objective Testing replaces subjective golden ears
- Noise Immunity: Maximum performance in noisy production environment using special technologies
- Automation: Suited to automated production lines with PLC interface, barcode reader and data logging (e.g. Cpk, Ppk)
Electro-acoustical transducers naturally bear a particularly high error rate. Sorting out faulty devices in an early production stage thus increases the overall yield, reduces the cost of waste material and optimizes the quality of the manufactured goods. Important for a modern, State-of-the-Art Speaker Test system are Reproducibility, Automation, Speed and Simplicity to use. The RT-2M Audio Analyzer and the production software RT-Speaker form together the PureSound Speaker Test System that comprises exactly these features.
The key element is the Rub&Buzz measurement technology enabling the system to conduct a unique and reliable defects analysis. The typical cycle time for a complete speaker test is less than three seconds including the outstanding Rub&Buzz analysis with its 100% correlation to the human ear.
Screenshot

The test system is based on the high-speed audio analyzer RT-2M and the turnkey production software RT-Speaker. The test system provides a comprehensive set of measurements for the total quality control of drivers, tweeters, woofers, headphones, speaker boxes and 100V speakers.
Measurement Parameters
- Frequency Response
- Distortion THD, THD+N, k2, k3, k4, k5
- Impedance Response
- Resonance Frequencies f0
- Sound Pressure Level dBSPL
- Speaker Polarity
- Rub&Buzz defects analysis with a 100% correlation to the human ear
- Thiele/Small Parameters
- DC Resistance