FEATURESThe Audix TM1 Test & Measurement Microphone features a 6mm pre-polarized condenser element with a wide, linear and accurate frequency response for test and measurement analysis, acoustic calibration, real-time analyzers, ambient room capturing and more. The TM1 features a flat frequency response of 20Hz to 25kHz for accurate reproduction and pristine detail. Its 6mm capsule features an omnidirectional polar pattern with a linear response at the direct and off-axis sections of the microphone. The TM1 is features a 4-plate brass construction, switchcraft XLR output, nickel plate finish and shock absorbent o-rings. 6mm pre-polarized condenser capsule Hi SPL response Precision machined brass housings Low noise electronics Replaceable electronics and capsule SPECIFICATIONS Transducer Pre-polarized condenser Frequency Response 20Hz to 25kHz +/-2dB Polar Pattern Omnidirectional Output Impedance 200 Ohms Sensitivity 6.5mV / Pa @ 1k Max Input Sound Level (SPL) 130dB with distortion < 1% 140dB Max Signal-to-Noise Ratio 66dB EIN 28dB (A weighted) Dynamic Range 112dB Connector Switchcraft male XLR Power 18-52 volts phantom Polarity Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output XLR connector Housing 4 piece precision machined brass Finish Nickel Length 5.9" (150mm) Packaging Info Package Weight 0.6 lb Box Dimensions (LxWxH) 8.8 x 4.4 x 2.7"