The TM1 is a 6 mm pre-polarized condenser microphone used for test and measurement applications. The TM1 is known for its linearity, accurate response, consistency, ease of use and affordability. Equipped with a uniformly controlled omnidirectional polar pattern, the TM1 is designed to capture acoustic measurements for room analysis software programs, real time analyzers and other sound control devices. With a flat frequency range of 20 Hz 25 kHz, the TM1 is an excellent tool for sound engineers, sound companies and recording enthusiasts. The TM1 is designed, machined, assembled and tested by Audix in the USA.