ETS manufactures many styles of pre-amplified microphones. All microphones are electret style, Line level output, on-board voltage regulation, and a low noise MOSFET pre-amplifier. We currently offer the following: SM1, SM1-SS, SM1-LE, SM1-TR,
SM1-U, SM1-WBM, SM1-W, SM1-WP, STW1, STW1-SE, SM1-T, SM1C.
 

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ETS
Electronic Technical Services Inc.
211 Conchas SE
Albuquerque, NM 87123

Phone: 505-888-3923
Fax: 505-888-3926

Toll Free: 866-700-3923

E-mail:  sales1@etsnm.com
 

 

 

Made in U.S.A.    

 

 

 

Applications for our audio surveillance products include: remote monitoring, asset protection, theft prevention, national security, homeland security, casino soft count rooms, booking rooms, interrogation rooms, prisons, sleep disorder centers, therapy labs, convenience stores, fast food restaurants, nanny cams, conference rooms, zoos, parking structures, elevators, stairwells, industrial process monitoring, etc. Anywhere CCTV cameras are installed, ETS products can typically be installed.

 

 

 

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.

All ETS audio surveillance products contain warning labels that are to be posted at the installation site when required by law (this is generally all that is required). Upon request, ETS will supply additional labels free of charge.

 

 Audio Surveillance Microphones

SM1  Omni-directional Microphone

Standard omni-directional pre- amplified microphone. 25’ range in all directions. Selectable on/off treble boost circuit enhances time-lapse recordings. Available in white only. Flush or surface mountable.
  • Low noise MOSFET
    pre- amplifier.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter circuit selectable on/off.
  • Easy cable run termination.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator
  • Optional surface mount adapter, SM1-S
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SM1-SS  Omni-directional Microphone

Standard omni-directional
pre- amplified microphone mounted on a stainless steel single gang plate. 25’ range in all directions. Selectable on/off treble boost circuit enhances time-lapse recordings. Flush or surface mountable.

  • Low noise MOSFET
    pre- amplifier.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter circuit selectable on/off.
  • Easy cable run termination.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator
  • Optional surface mount adapter, SM1-S
    •

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SM1-U  Unidirectional Microphone

Completely redesigned in 2005 for much higher performance.

Unidirectional pre-amplified microphone for use where
back- ground noise must be reduced. Simply mount the SM1-U in the direction of interest.
  • Reduced (-20db) sensitivity on all sides.
  • Unique dual electret pickup and differential amplifier results in astonishing ambient (background) noise rejection.
  • Low noise MOSFET
    pre- amplifiers.
  • Similar in appearance to a fire suppression sprinkler head.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter and TB circuits
    selectable on/off.
  • Easy cable run termination.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator
  • Optional surface mount adapter, SM1-S

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SM1-LE  Surface mount
omni-directional Microphone

Standard omni-directional pre- amplified microphone. 25’ range in all directions. Selectable on/off treble boost circuit enhances time-lapse recordings. Available in off white or black. For surface mount applications only.
  • Low noise MOSFET
    pre- amplifier.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter circuit selectable on/off.
  • Easy cable run termination.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator
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SM1-C  Remote Element
Microphone

Omni-directional pre-amplified microphone for use in un-obtrusive applications or to shorten the distance between the subject and microphone (hang microphone from ceiling). Grey colored enclosure.
  • Low noise MOSFET
    pre- amplifier.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter and TB circuits selectable on/off.
  • Easy cable run termination.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator
  • Includes element
    mounting grommet.

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SM1-TR  Tamper Resistant
Omni-directional Microphone

Tamper resistant Omni-directional pre-amplified microphone for use in applications where vandalism is of concern. Electret element is mounted in a special housing which is out of reach to objects inserted in the sound holes. Applications include prisons, detention areas, public locations etc.

  • Low noise MOSFET
    pre- amplifier.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter circuit selectable on/off.
  • Easy cable run termination.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator
  • Optional surface mount adapter, SM1-S
    •

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SM1-WBM  Weather Proof Bullet Microphone

The SM1-WBM microphone is a military grade, Weather proof , bullet-style microphone. This
microphone contains an all new microprocessor based automatic level control system. The system expands dynamic range without sacrificing sensitivity.
  • Omni-directional, enviro-sealed, electret condenser element.
  • .5” thick wind screen.
  • Low noise, MOSFET preamplifier.
  • Mil spec, environmentally sealed
    connectors
  • Potted internal electronics. Ideal for high vibration and harsh environments.
  • Microprocessor based, automatic output level control.
  • -40 to 185C temperature operating range.

 

New For 2007

 


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SM1-WP  Weather Proof, Harsh Environment, Omni-directional Microphone

Completely weather proof microphone for hostile environments such as on board ships, rooms that are washed down daily, etc. Durable electret element can withstand direct exposure to high pressure water and even submersion without  affecting operation.

  • Low noise MOSFET
    pre-amplifier.
  • Fixed gain.
  • Electronics are encapsulated in
    a protective plastic barrier.
  • Pigtail connections insure water cannot get into the electronics.
  • Corrosion resistant element.
  • Line level unbalanced
    output.
  • Limiter circuit selectable
    on/off.
  • Easy cable run
    termination.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator
  • Optional surface mount
    adapter SM1-SW
    •

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SM1-W  Weather Resistant
Microphone

Weather resistant
omni-directional pre-amplified
microphone. For use in outdoor applications and can withstand exposure to various weather conditions  Selectable on/off
treble boost circuit enhances
time-lapse recordings. Mounts
on single gang “bell box”, gasket
included.
  • Low noise MOSFET
    pre-amplifier.
  • Adjustable gain.
  • Line level unbalanced
    output.
  • Limiter circuit selectable
    on/off.
  • Easy cable run
    termination.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator
  • Optional surface mount
    adapter SM1-SW

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SM1-T  Conference Table Microphone

The SM1-T is an omni-directional microphone designed to sit on a table top. Built in weight and 4 rubber feet help minimize unwanted movement of the microphone.

  • Low noise MOSFET
    pre-amplifier.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter and TB circuits selectable on/off.
  • Easy cable run termination.
  • Power: 12VDC @ 10mA.

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STW1-SE  Two Way Microphone / Speaker

New for 2005

Omni-directional pre-amplified microphone and speaker for use in two way surveillance systems. Suitable for both indoor and outdoor applications. Optional call switch (shown) for paging listener. Stainless steel cover, box and hood..

Microphone

  • Low noise MOSFET
    pre- amplifier.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter and TB circuits selectable on/off
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator

Speaker

  •  2.25” speaker. 0.5 watt RMS.
  • line level (0dbm) or 70v line selectable signal input
  • Power: 12VDC @ 250mA.
  • On-board voltage regulators.
  • Optional surface mount adapter, STW1-S

Optional call switch shown in picture

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STW1  Two Way Microphone / Speaker

Completely redesigned in 2005 for higher performance.

Omni-directional pre-amplified microphone and speaker for use in two way surveillance systems. Optional call switch (not shown) for paging listener. Stainless steel cover. Fits double gang boxes.

 Microphone
  • Low noise MOSFET pre- amplifier.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter and TB circuits selectable on/off
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator

Speaker

  •  3” speaker. 2 watt RMS.
  • line level (0dbm) or 70v line selectable signal input
  • Power: 12VDC @ 250mA.
  • On-board voltage regulator.
  • Optional surface mount adapter, STW1-S

Optional call switch, not shown in picture.

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Copyright ETS Inc. 2003