TELEFUNKEN Elektroakustik has announced the completion of FLATS (Final Listening and Test Space), a new microphone test environment custom-developed for the company’s precision testing and quality control requirements that’s located at company headquarters in South Windsor, CT.
FLATS is based around a large three-room suite designed to provide 45 dB of noise reduction between rooms and the outside space. The walls have perforated absorbers and acoustic foam on both sides of a solid steel septum barrier. Each room has a specific function: one for critical component testing, a second for quiet listening/isolation, and a third final product testing room.
Coinciding with the three-room suite, there are four custom-built microphone frequency response test chambers. These chambers integrate a precision GRAS Acoustics reference microphone to analyze frequency response against production microphones. Each test chamber is matched with Audio Precision hardware and software to foster an environment that yields accurate, repeatable measurements in evaluating microphone level, frequency response, and phase.
TELEFUNKEN consulted with Audio Precision for all FLATS test hardware and software in assuring that each test procedure is completed within certified industry lab standards to comply and further advance current microphone testing methods. In addition, Equitech was consulted for providing a high-quality clean power circuit to run all testing operations for the cleanest test conditions possible.
The three-room FLATS suite and test chamber specifications were developed by the TELEFUNKEN engineering team, and executed and built by professional acousticians and contractors.
