Earthworks has become the accepted standard for affordable, reliable reference and measurement microphones. These microphones are accurate in the time domain and frequency response. Earthworks measurement microphones are optimized for clean, very fast impulse performance to provide accurate wideband response. They have virtually no handling noise and are remarkably stable with respect to temperature and atmospheric conditions. Our M Series measurement microphones are used by SMAART™, MLSSA™, Spectrafoo™, TEF™ and RTA in addition to acoustic measurement systems manufactured by dbx, DEQX and others. All models are available in matched pairs. The M30 is a very cost effective reference microphone for SMAART™, MLSSA™, Spectrafoo™, TEF™ & RTA and all "audio band" measurements. It has a flat frequency response, fast impulse response and exceptional polar characteristics. Requires 48V phantom power.
Frequency Response, +/- 1 dB: 9 Hz - 27 kHz Frequency Response, +1/-3 dB: 5 Hz - 30 kHz Polar Pattern: Omnidirectional Sensitivity: 8 mV/Pa (-42 dBV/Pa) Power Requirements: 48V Phantom, 10 mA Max. Acoustic Input: 150 dB SPL Peak Output Voltage: 10V Output: XLR intended to drive a balanced, transformerless input, Pin2 + Min. Output Load: 600 ohms between pin 2 and pin 3 Noise: 27 dB SPL equivalent (A weighted) Dimensions (L x D): 9" x 0.86" (229 x 22 mm) Weight: 0.5 lb. (225 g) Influence of Magnetic Field: 80 A/M includes less than 52 dB SPLequivalent
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