Acoustic

Microphone Configuration Two unidirectional microphones with

individual channels to a stereo output

Recommended operating distance 12” - 48” (Varies with application)

Acoustic signal reduction @ 1 KHz and 180º >10 dB

Electrical Characteristics

Mic bias Supply Voltage for rated 4 VDC

sensitivity

Operating Mic bias Supply Voltage Range 2.5 to 5 VDC

(with up to 3 dB sensitivity variation)

Supply series resistor 2 KOhms +/- 0.5K

Operating Current (each channel) 0.6 mA

Output Impedance @ 1 KHz <200 Ohms

Max SPL Input @ 1 KHz 115 dB (3% THD @ 3.7V)

Max Output (THD <3% @ 1 KHz) 120 mV rms

Sensitivity (Re: 1V @ 0.1 Pa) -44 dB, +/- 4 dB

Frequency Response 50 Hz - 8000 Hz

Noise 20 uV

Operating Temperature 0O C to + 70O C

Connector 3.5 mm jack, left mic power and left audio

on “tip”, right mic power and right audio on

“ring”. Sleeve common ground.

Parameter Superbeam® Microphone Array