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870 / 871 Series

AdaptaHorn Flush Mount Vibrating Horn Indoor Applications


  • PLC Compatible models

  • Corrosion resistant finish

  • Volume adjustable

  • Completely assembled

The Edwards 870 AC & 871 DC Series are low-current, high decibel flush mount vibrating horns for heavy-duty use. It has been designed for wall or panel installation and projects less than 1" (25mm) from the mounting surface. Suplied complete with trim plate.

Designed for indoor installation. Horn mounts in Catalog No. 870-B back box (ordered separately).

Applications include ceiling and wall mounting in corridors and manufacturing sites. Also, ideal for scoreboards. Used wherever a distinctive, urgent signal is required for timing, scheduling, paging, general alarm, and warning.

870 / 871 Series

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Catalog Numbers

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Catalog Number

Flush Wall Box for 870 Series Horn


Indoor Flush Mount Vibrating Horn
24VAC 50/60Hz, 0.63A


Flush Mount Adaptahorn
120 VAC 50/60 Hz, 0.13 A


Indoor Flush Mount Vibrating Horn
240VAC 50/60Hz, 0.07A


Indoor Flush Mount Vibrating Horn
12VDC, 0.27A


Flush Mount Adaptahorn
24 VDC, 0.16 A


Indoor Flush Mount Vibrating Horn
48VDC, 0.07A


Flush Mount Adaptahorn
125 VDC, 0.025 A


Indoor Flush Mount Vibrating Horn
250VDC, 0.014A


Single Projector for 870 Series




Agency Approvals
UL Listed FM Approved (870 Series)
  • Operating range: -20% to +10% of nominal voltage
  • Heavy duty die-cast housing

870 AC Series
  • Adjustable output: 78 to 103 dB
  • 400 hour rating at 50% duty cycle

871 DC Series
  • Adjustable output: 78 to 101 dB
  • 200 hour rating

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Catalog Pages
Installation Instructions
Sound Files