Measure with confidence. With the beyerdynamic MM 1 getting the perfect sound throughout your entire venue is a breeze. Designed specifically for measuring sound reinforcement and PA systems the MM 1 lets you tune your sound system so that your entire audience hears the performance exactly the way it deserves to be heard. When used alongside a spectrum analyser you can precisely measure the frequency response and SPL of your system with ease. Boasting a narrow tubular construction the MM 1s influence on the sound field is negligible. Combined with a linear frequency response you can achieve natural sound reproduction and phenomenal system performance through the ability to confidently tune your PA. Perfectly-suited to a wide range of applications the MM 1 is an invaluable addition to any technicians toolbox. Consistent aound for the entire audience Tune your sound system to perfection. With the beyerdynamic MM 1 Measurement Microphone you can make sure that your sound can be heard exactly the way it should be anywhere in the venue. The MM 1 is designed specifically for measuring sound reinforcement and PA systems working alongside spectrum analysers to accurately measure the frequency response and SPLs of your system. Perfect for a wide range of applications this handy tool boasts a narrow tubular construction ensuring that the mics influence on the sound field is kept to an absolute minimum to avoid sound pressure increases with high frequencies. Combined with the MM 1s linear frequency response the microphone allows you to achieve natural sound reproduction with exceptional consistency. And with beyerdynamics legendary reliability you can enjoy outstanding performance for years to come. Whats included? MM 1 Measurement Condenser Microphone MKV 9 microphone clip Features Measurement mic designed specifically for measuring sound reinforcement and PA systems Designed to work alongside spectrum analysers for measuring frequency responses and SPLs Ideal for measuring audio signals for research development reverberation testing and more Narrow tubular construction ensures the mic has negligible influence on the sound field Avoids an increase in sound pressure with high frequencies Natural reproduction due to the MM 1s linear frequency response Specifications Transducer Type: Condenser (back electret) Operating Principle: Pressure Frequency Response: 20Hz – 20kHz (50Hz – 16kHz +/-1.5dB) Polar Pattern: Omnidirectional diffuse field calibrated Open Circuit Voltage at 1kHz: 15mV/Pa (= -36.5dBV) +/-1dB Nominal Impedance: 160 Ohms Nominal Load Impedance: ≥2.2 k Ohms Maximum SPL: 122dB (f = 1kHz k = 1-percent R = 2.2 k Ohms) S/N Ratio: >57dB (rel. to 1Pa) A-Weighted Equivalent SPL: Approx. 26dB(A) Power Supply: 12-48V phantom power Current Consumption: Approx. 1.9mA Output: Electronically-balanced Connector: 3-pin XLR male Length: 133mm Shaft Diameter: 19/9mm Head Diameter: 9mm Weight: 88g Product Code: 4495350