Sony ECM-B1M Help Guide - Page 13

Help Guide Shotgun Microphone ECM-B1M Specifications Type Frequency response Pickup pattern Front sensitivity*1 Intrinsic noise*1 *2 Wind noise*1 *3 Back electret condenser type 40 Hz to 20,000 Hz Super-directional / unidirectional / omnidirectional (selectable) -20 dBFS (0.1 Pa, 1 kHz) 14 dB SPL or less (0 dB = 2×10-5 Pa) 50 dB SPL or less (without the wind screen attached) 30 dB SPL or less (with the wind screen attached) Maximum input sound pressure level 120 dB SPL*1 *4 Dynamic range*2 106 dB or more Operation temperatures 0 °C to 40 °C (32 °F to 104 °F) Storage temperatures -20 °C to +55 °C (-4 °F to +131 °F) Dimensions (Approx.) 27.4 mm × 81.8 mm × 99.3 mm (Width/Height/Depth) (1 1/8 in. × 3 1/4 in. × 4 in.) (excluding the wind screen and projecting parts) Mass (Approx.) 77.3 g (2.8 oz) *1 Acquired by setting the AUTO/MAN switch and the ATT switch to "AUTO" and "10dB," respectively. *2 Acquired by setting the DIGITAL/ANALOG switch to "DIGITAL." *3 Equivalent sound pressure level value converted from the average value of the noise that is output from the microphone when a wind velocity of 2 m/sec. is applied. (0 dB = 2×10 -5 Pa) *4 Equivalent sound pressure level value converted from the input level value that is acquired when 1% waveform distortion is produced by 1 kHz output signals from the microphone. (0 dB = 2×10 -5 Pa) Design and specifications are subject to change without notice. 5-007-783-11(1) Copyright 2019 Sony Corporation 13