Pattern Sensitivity Equivalent Noise Level Impedance S/N (SNR) Signal-to-noise Ratio Max input sound level Operating Voltage Current

Omni-directional -32 dB at 1 kHz (0 dB=1V/Pa) 19 dB 1.5K >74 dB at 1 kHz (1 Pa, A weighted network) 125 dB S.P.L. 3 VDC (2.5 to 10V) 500uA max at Vcc=3VDC

For Primo data sheet - click here

See EM158 compared - click here

CAUTION:
The EM158 ECM must be operated at or near its nominal operating voltage. Operation at too low a
voltage will produce excessive self-noise in the form of a low frequency hum.

Bedford Technical
Applied Environmental Systems

817-360-5035

 

updated 05/19/2010