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Algo 8180 And Algo 1186 Coverage

The 8180 SIP Audio Alerter is a SIP compliant wall mount speaker designed for voice paging, loud ringing, and emergency/safety/security notification and alerting. The speaker is PoE and does not require an additional amplifier. Common application environments include: classroom, factory (e.g., OSHA), warehouse, utility plant, machine shop, garage, lunch room, kitchen, etc.

The 1186 is a weatherproof horn speaker for use with Algo's 8180 SIP Audio Alerter. Ideal for loud ringing, voice paging and notification alerting applications in high ambient noise or outdoor environments.


There is no simple answer to how much area is covered by an overhead paging device but there are a few guidelines for maximum listener distance.

Environment Inside dBA Effect Loud Ringing Voice Paging
8180 Only 8180 + 1186 Horn 8180 Only 8180 + 1186 Horn
Home or Quiet Warehouse 50-55 Sounds are easily heard >250m (820ft) Horn not required 64m (210ft) >250m (820ft)
Normal Conversation, Office 60-65 Voices easily understood 128m (420ft) >250m (820ft) 32m (105ft) 64m (210ft)
Factory, Busy Restaurant, Vacuum Cleaner 70-75 Voices raised 32m (105ft) 128m (420ft) 8m (26ft) 32m (105ft)
Machine Shop, Screaming Children 80-90 Conversation is difficult, hearing protection possibly worn 8m (26ft) 32m (105ft) 2m (6.5ft) 4m (13ft)

For 8180 at maximum volume and ambient noise measured at listener location. Voice paging distance limits assume average speech level 12dB below peak.


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