Product Description
Earthworks’ M Series has become the accepted standard for affordable, reliable reference and measurement microphones. They are optimized to have a neutral, uncolored response, capturing fast transients and accurate wide-band frequency response with virtually no handling noise. Stable with respect to temperature and atmospheric conditions, the M Series creates transparent recordings both indoors and outdoors. These microphones offer exceptional accuracy for critical recording and room calibration.
Features:
- M30BX is battery powered for remote use
- Ideally suited for acoustical measurements that require extended frequency response, including high-end loudspeaker design and quality control, scientific research, measurements of ultrasonic or subsonic transducers, or any application where an extremely accurate free-field measurement microphone is required
- Provides laboratory grade accuracy
- Omnidirectional polar pattern
- Flat frequency response, fast impulse response and exceptional polar characteristics
- Used by SMAART™, MLSSA™, Spectrafoo™, TEF™ and RTA in addition to acoustic measurement systems manufactured by dbx, DEQX and others
- Each M Series microphone is delivered with its own calibration chart providing its individually measured open-circuit sensitivity and the frequency response curve
Specifications:
- Frequency response: 5 Hz to 30 kHz +1/-3 dB
- Transducer Type: Condenser
- Polar Pattern: Omnidirectional
- Sensitivity: 8 mV/Pa (Typical)
- Power Requirements: 6V Lithium battery-P28 (2CR-1/3N) or 4 LR44 Alkaline (approximately 300 hours work time)
- Max Peak Input Sound Level: 150 dB SPL
- Output: XLR intended to drive a balanced transformerless input (PIN 2+)
- Min Output Load: 600 Ohms between pins 2 & 3
- Noise: 27 dB, A equivalent
- Dimensions (Length x Diameter): 9″ x 0.860″ (229 mm x 22 mm)
- Weight: 0.5 lb (225 g)
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