Data Sheet

SM1-WBE
Omni-directional Pre-
amplified Microphone
Electronic Technical Services Inc.
211 Conchas SE
Albuquerque, NM 87123
PH 505-888-3923 FAX [phone]
Website: www.etsnm.com
Description
The SM1-WBE microphone is an
economical, weather resistant,
omni-directional, bullet-style
microphone for indoor / outdoor
applications. Built in limiter circuit
automatically lowers the output level
during loud sound intervals.
Includes adjustable gain control.
Connects directly to our switcher / mixer /
amplifiers or use one of our many
interface products to make fast and clean
connections to DVRs or remote
monitoring equipment.
Includes:
 SM1-WBE microphone.
 Swivel mount
 Warning label.
 Installation instructions.
Wiring requirements:
2 conductor shielded (with drain wire) 22
gauge stranded. Max cable length 1500’.
Caution
It is the responsibility of the installation
company and end user to install this audio
surveillance equipment in compliance with
state and federal privacy laws. If you are
unfamiliar with these laws, consult a qualified
attorney.
Warranty
1 year parts and labor. Made in USA
SM1-WBE Specifications
 Omni-directional 25' pickup pattern.
electret condenser element.
 Potted internal electronics.
 Removable .5 inch windscreen.
 Low noise MOSFET pre-amplifier.
 500Hz-13Khz Frequency response.
Significantly reduces background noise.
 Adjustable gain.
 Internal peak limiter circuit (.5 sec response)
 Line level, 100 Ohm, unbalanced output.
 Internal peak limiter circuit.
 Flying lead termination.
 Reverse polarity protected
 Power: 12 to 24VDC @ 10mA.
 On-board voltage regulator and RFI filtering.
 S/N ratio: more than 60DB
 Sensitivity –45DB
 -40 to 105C operating range.
 Black swivel mounts on any flat surface.
 Dimensions: L 4.9” Dia. 1.0”
 Weight: 0.35lbs (including swivel mount)
Sound Surveillance
tm