Burglar Alarm Sirens Guide

Author: Ari Erenthal, Published on Mar 27, 2017

Sirens are used to alert users to an alarm condition. In this note, we examine how to choose, locate, and install alarm sirens, including

  • Siren versus speaker
  • Form factors - surface mount, flush mount, horns, self contained sirens, armored sirens
  • Acoustics
  • Notification placement
  • Power
  • Siren tones
  • Siren drivers
  • Bell supervision

****** *** **** ** ***** ***** ** ** ***** *********. In **** ****, ** ******* *** ** ******, ******, *** install ***** ******, *********

  • ***** ****** *******
  • **** ******* - ******* *****, ***** *****, *****, **** ********* sirens, ******* ******
  • *********
  • ************ *********
  • *****
  • ***** *****
  • ***** *******
  • **** ***********

[***************]

Sirens ****** ********

* ******* ** * ****** **** ********** * ***** **** it ** ******** **** *****.

  • ******* ** **** ********* ***** *** ******
  • ******* ***** *************
  • *******
  • **** *********
  • *** ** ****
  • ******** ***** ***** *******

* ***** ** * ****** **** ******** *** *** ******, usually **** * ***** ** ***** ******.

  • ** **** ******* ** *** ** *** *****
  • ********** **** ***** *****
  • ******
  • **** *********
  • ******
  • **** *** ******* ***** ******

**** **** *** ***** ******** ***** ** *** *** ***** 'siren', '*******', '****', *** '*******' ***************.

Siren **** *******

****** *** ******** **** **** ** ************ *** *** ************ form *******. ****** ******** *** ****** *** *** ***** ******* and *******.

******

****** ****** **** ** ******* ***** *** ***** *****. ********** tend ** ****** *** ******* *****, ******* **** *** **** easier *** **** ****** ** *******. *********** ********* ***** ****** flushmount ******, ******* **** *** **** *********. ********** **** ******* technicians ** ***** *** **** ** ***** ***** ***** ****** to ***** *********** ********* ** * *** ** *************** ********** from ***** **** ************ *********. ********** ********* *** ***** ******* to **** * ******* ***** *****.

******* ***** ****** *** ** ********* ******* *** ******. ***** sirens ********* **** * ********* **** * ******** *** * wire ** *** *****. * ********** ****** ****** * **** for *** ******* ****, ****** *** **** **** *** *********, makes *** ***********, **** *** ******* ** *** *********, *** secures ** **** * ********. **** ******** *** *********, *********** should ** **** **** ** ***** ** *** ***** ** the *******, ** ******* ***** ****** ******** **** ** **** the ***.

******* ***** ****** ****** *** ** ******* ** ***** ** high ******** ************.

********** ****** *** ******* ** ******* ***** ******, ****** **** have * ***** ******* **** *** ******* ******* ** * plastic ******* ******** *** ****** ********. ******* ** * *********, technicians *** * **** ** *** ******* ** *********** *** speaker. *** ********* **** ******** **** **** ***** *****, ***** are **** ******* ** * **** *****.

********** ****** *** *********** ** ******* ******* *** **** **** be *** *********, *** ******* ** *** ***** ** ******* crooked, ** ****** ** ************ **********. *******, ** ******** *********, it ** *** **** ********* **** * ******* ***** *******.

*******

******* ****** **** ** ****, **** *********, *** *******:

  • ***** ****** ** **** ** ********* **** * ***** ****, or **** *** ******* ***** ** ** *********.
  • **** ********* ****** ****** ** **** **** ********** *** ***** low ** *** ******, ** ***** ************* **** ***** ********* possible.
  • ******* ****** ****** ** **** **** ******* ********* ** ******, or ***** ****** *********** ** ********.

***** ***** *** * **** ******** ****** ** **********, *** to ***** **** *** *********** ** ************ *** ***** **** tones. *** ****** **** ***** ** *** **** ****** ** to **** ***** ***** *** ** * **** ***, ******** this ***** ** ******* ** ***** * **** ***** ****. Public ******* (**) ******* ******** *** *****, ** ** ********** systems. ********** ******** *** ***** ** ***** *****, **** *****, such ** **********. **** ***** ***** *** ******* *****.

**** ********** ****** ** ***** **** ********** ******, ********** ********* mount *** **** ****** *** *****, **** *** ****, ****** outwards, ** **** *** **** *** ** ***** *******. ** can ** *********** ** ***** * ***** ** ***** ** wood ******* ******, ** **** ****** *** ******** ************. **** jurisdictions **** ***** ********** ***** ****** ****** ** *** ******* of *****, *** ******** * ***** ** ** ***** **** the **** *** ** *** **** *** ** ********* * siren ***** ******* *** ****.

**** ********* ****** *** **** ****** **** **** *** ******* in * ********* ***** ***. ********** ******** ****** ***** **** the ***** **** ** ********* ***** ** *** ******, ****** vandalism * *******. **** *** ********** *********** *** ******* * backbox, ****** **** ****** ** *******.

**** **** ********* ****** ******* * ****** ******, ***** **** cause *** ***** ** **** ** ** ********* ***** ** open *** *** ** ***** ** ******* *** *****. **** self ********* ****** ******* *** ****** ********, *** *** *** cover *** ******* *** *** ****, ***** **** **** ** an ********* ***** ** *** *** ***** *** *** ****. When ***** * ***** **** * ******, ********** **** *** one ****-**** *** *** ***** *** ******* *** *** ****** switch ****.

**** ********** ****** ** ******* ****** ******** ** ** **-**** zones. ** **** ***** *** ***** **** **** ** ***** signal *** ******* *** ***** **** **** *** ***** ** disarmed. ** *** ****** ** ** * **-**** ****, ********** should ******** ****, ****** ** * **** ****** *** *****, on *** **** ***, ** ******* ** *** ****** **** of *** *****. *********, * ********** ********* *** ****** **** not **** ** ******* *** **** *** *** *** ***** on ****. ** * ********** ***** ** ******* *** ***** without ********* *** ** **** ****, *** ***** **** ***** them ** *** **** ** **** ** **** **** ** up, ***** *** ******* **** **** ******* *** *** ******.

*** ********* ********* ***** ***** *** ************ ** * **** contained *****, *** *** **** ** ****** ** ** *********:

** ******* **** ** * ***** **** ** ****** *** tamper ********* ******* ******* * ***. ** ** **** ****** to ****** **** * **** ********* *****. ** ** **** much **** ****** ** ******* ******* ** ***** ** ** place *** **** ** **** * ****. ***** ****** *** significantly ******* **** **** ********* ******, *** *** ********* **** more ********* ** *******. ******* ****** ********* ******* * **** tamper, ** ****** ******, *** *** * ***** ******. ********** commonly ****** ******* ****** *** ********* ***** ********* *** ********** attacks *** ** ** ********. ******* ****** ****** ******* ** mounted ** *****, ******, ** *********** *****, ** ***** ***** can ******* *** ****** ** ** ******* ***** **** ******.

*********

****** ****** ** ******* ********** *** ****** ******** ***** *********, in ***** ** ***** *** ********* ** ** ***** *****. The ******** *********** **** ****** *** *** *** *** *** sound **** **** *** ***** *******, ***** **** ****** *** far **** *** ***** *** ** *****. *** ******, ****, and **** ***** ** *** ***** **** ****** ***** *************.

Sound ********* *********

**** ********* **** ****** *****, ********** *** ******** ** ***** the ***** ** *********. ****** ********* **** ****** ***** *******:

  • ******
  • ****** *******
  • ******* *****
  • ****
  • **********
  • ******* ********
  • ********** **** **********
  • *** ********

Sound ********** *********

***** ********* **** ******* *****, *********** *** ******** ** ***** the ***** ** *********.****** ********* **** ******* ***** *******:

  • ******
  • *********
  • *****
  • ******
  • *********
  • *******

Siren *********

****** **** *** ****** ** ** **** **** **** *** be ******* ***** ********** *** *****. ****** **** ** ******* in ******** **** **** *** ***** ******.

****** ***** **** **** ******** ****** *** ********* ******. * single ***** ******* ***** ***** ********* ** ***** ********** *** first *** ****** *****, ****** *** **** ** ********** ******** sirens *** **** ******.

** *** ***** ***** ******* **** ********, *** **** ****** can ** ******** ** ******** *** ******* ** *** ********* near *** *******.

********** ********* ***** ****** ****** ******** *******, ******* **** *** easily **********, ********* ** *** ******* *********** **** *** ***** inside ***** **** ******* ** *******, *** ******* ********* ****** to *** **** ** ****** ******** ** ***** *****. *******, an ******** ****** ** ********* *** **** ********* **** ** the *****, ********** ******** ** ******* *** ***** *** ****** monoxide ** ******** **** ******** *** **** ** *** ****. Therefore, *** ****** ** ****** ** *** ****** ***** **** a ********* **** *********** *** **** ** *** ****.

Siren *****

**** ************* ******* ** ***** *** ********* ***** ** ***** tones. **** ****** ***** ** *********** ******* ** ********* *****, during ***** **** ****** ****** **** ** ****, *** * fire *****, ****** ***** **** ****** ******** *** ********.

**** ** ****** ***** ************ * ****** **** ** ***-**** siren. *** ***** **** ** ************, *** ** ******** **** *** *********. *** ****** **** is ************, *** ** ******** **** *** **********, **** ** ***** and ****** *******. ****** ***** *** ****** ** **** ******** or ********** ****** ******** ****.

*** ********** ** ** ****** **** ******, **** ************* ******* evacuation ************ ** * ******** **** ***** ** *-*, ******** 3, ** **** *. ********* ** *** ************* ** *** job, **** ***** *** *** ****** ** ****** ******** ****** capable ** ********** *-* *****.

**** ***** ***** ************ * ********** **** ***** ****** ***** outputting *** *-* ****. **** ***** *** ** ********** ******, so *** ******* ** *** *** ********* ** ****** ***** changes. ****** ***** *** ****** ** **** ******** ** ********** before ******** ****.

Power

*** *** **** ******* **** ** **** ***** *********** *** decibels *** *****. *** ***** **** ******* **** ** ****** siren ******* ****** ****** ** *******, *******, *** **********.

********, ** **, ** * ******* ** ********. ****** ************ is ******* ***** ****. ******* ******** ** **** *** ** about *****, ***** ** **** **** ****** ***** ****** *** rated **. * **** ******** **** ****** *** ***** ******.

******* ***** *********** ** ******** ** *****, ** *. **** is *** **** ***** *** ******* ******** ** *** ** order ** ****** **** ******. ** ***** *****, * ***** siren ******* **** **** ****** ***** ** ***** ***. *** less *****, *** ***** *** ****** ** *** *******. *** more *****, *** ****** *** *******.

******** **** **** *** ******* *******: *******, ***** ** *** wattage *** ******* *** *** ** **** **** ******* ********** damage, *** ****, ***** ** *** ******* ******* *** ******* can ****** ******* ******* ***. ***** ****** *** **** ******* by ************ *** *******. ** * ****** **** ** ********, replace *** *******. ********, *** ******* ****** ** *** **** power *** ******* *** ******, *** *** **** ***** ** will ******!

Siren *******

**** ***********, ** ** **** ********* *** *** ***** ***** ** supply *** ****** ******* ** *** ***** ****** ** ***** current. **** ** ******* * ***** *** ********* ****** **** creates *** ******** ****.

**** ***** ********, ** ** ********* ** *** * *****, called * ***** ******, **** ** ***** *** ******* *** to ****** *** **** ** ***** ********. ***** ****** *** powered ** *** ***** ****** ******** ** *** ***** *****. Some ***** ****** **** *****-** ***** *******, ******** ********** ** use ****** ****** ** ******** *** * ********** ***, ********* on ************.

****** *** ******** **** **** *** ******* ***********, ***** ** the ******** ** ***** *** *********** *****. ** ** ***** in*****, ***** **** *** ****** *. **** ****** *** ******** are ***** ******* ** ** ***.

****** *** ******** **** **** ******* ***********, ***** ** *** rate ** ***** *** *********** *****. ******* ** ***** ********* ** ****, ***** **** *** ****** *. **** *** ***** **** thousandths, ***** **** *** ****** **, ** *********. **** ******** require **** ** ***** ******** ** ** *** ** ***- that **, ***** ** *****. ****** ******* **** **** *******, often **** **** **.

********** ** ******** **** ******* *******, ***** ** ** ***, slows *** ******** ** ***** *********** *****. ********** ** ******** in****, ***** **** *** ****** Ω. ******** *** ****** *** a ******* ****** ** ********** ** *** *******, ***** ******* the ****** ** ******* ********* ** **. *Ω *** *Ω ratings *** *** **** ******.

******* ******** *** ********* *******, *** ******* **** **** ************* less ******* **** ******, ** ** ***** ******* ** *** speakers **** * *** ***** *** ******** *****, ****** *** to *** **** ** *** ********* **** ** ******* ** background ***** **** *********. ***** ******* *** ********* **** *** cost, ***** ********* *** ~$** *** ** ****. *******, ****** are ********* **** ******** *** ********* ******.

Siren ******

**** ********** ******** ****** ** ******** ** ** *****, ********** must ********* *** ******** ******* (*** ******) ** ********. ****** only ****** * ******** ****** ** ***** *** ******, ***** must ** ****** ***** *** *** ******. ***** ******* **** output * ******** ****** ** *******, *** ***** ******* ** the ******* **** **** **********.

** *** ***** ****** ** ********** ***** ********* ** *** speakers ******* *** ******* ****** ********* ** *** ******, *** circuit **** ** ******** ** **** * *** ** ** reduce **** **********. **** ****** ******* ** ******, **** ***** device ***** ************ ********* ** *** *** ****, ***** ****** adds *** ********** ** *** ****. **** ****** ** ********, however, ***** ****** ****** *** ****** ** ***** **********. **** is ******* ******** **** **** ******** *** *** ******* ** flow ***** ****** ***** ******** *******, ***** ****** ******* *** pathways ********* ***** ****** **** ******.

Bell ***********

******* ****** *** ***** ******* ******* *** ********, ********* ***** attempt ** ********** **** ****** ********** ** **** ***** ** the ********* ****. ***** **** ****** *** ****** ******** ** damage ** ****** **** *** ** ***** ****** ********, ** is *********** ** ******* *** **** ** ****. ***** ****** are ******* ** ********* *** ****** ** ********** ** * particular *******. ** ******** **** ***** ** * ******** ****** of ********** ** * *******, *** ***** *** ** ********** to **** * "*******" ****** ** *** **** ** ******* or ***. ***** **** ****** ***** *** ********** ** ******* the **** *********** *******, ** ** **** ******** ** *** it.

**** ***** *********** ******* **** *********** ******* ******** *********** ******** specialized ********* *** **** ***** ************. ** ********, *********** ******** the ********** ** ****** ********** ** *** *******. ** ** that, ** *** (***-**-****) ******** **** ** *************** *** ****** *** **** *******. ******** *** ***** *******, *******, ** at *** *** ** *** **** ** *** **** *********. Technicians ****** ** **** ** ******** ***** ******* ** *** end ** *** ****. ** **** *** *** **********, ***** a ********** ** ******* *** ********** ** *** ***** ***** can ******* **** *********** ******** * ****** ***.

**** ****** ****** ** ********, **** *********** ****** ** **** if *** ******* *** ***** ** ** **** ** *** alarm *****, ** ***** ** ** "*** ** *** ****". Therefore, ****** ****** ****** ** ***** ** * ***** ***** pattern, **** ** *** ****** **** ********** ** ***** ** in ********.

Comments (4)

*** ***** ** *** (* *** **** ****** **) ** that ** *** **** ** **** *** ** **** ******** you ***** **** ** *** ******** **** * ***** ******. I *****'* **** ******** **** ******** *** ********* ** **** but **** *** ********* ******* ** ***** **** ***** *** sirens ***** *** ** * ****.

**** *****, ***! ******* ******* ***'* ******** *** ********* (****** for ****, ***** ** **), *** ** *** ** ****/**** to ****, *** **** ** ** **** **** * ***** driver.

** ****** ***** *** ******* "*** / *******" ******. ***** use ***** ** ***********. ***** *** ****** *** **** ** effect ** ** **** ****** :)

******, ****. * **** ******* ** ***. ***** **** * real ****** ******* *******. *'** **** ** ***** ****.

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