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Algo 1825PM Duet Plus (Discontinued)

The Algo 1825PM Duet Plus has been discontinued by the manufacturer. For a comparable product please see the Algo 8180 SIP Audio Alerter (G2)

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Product Details
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Tech Specs

Algo 1825PM Duet Plus Loud Ringer

The Algo 1825PM Duet Plus is a high-performance low-frequency loud ringer for high noise / wide-area environments where telephone ringing is difficult to hear (factories, machine shops, warehouse, lunchrooms, outdoor work yards, farms, etc.) The 1825PM Duet Plus can also help avoid missed calls due to a hearing impairment! The device interfaces to a CO line or with any telephone system via an analog FXS port, ATA, or contact closure such as a night bell. 

Never miss a call again with the Algo 1825PM!

Loud ringing can be activated by a relay or switch closure (dry contacts), low voltage detection, 90V analog telephone ringing, or the headset jack on selected Nortel Norstar and BCM digital business phones. 

Non-Irritating Tone Output

The Algo 1825PM Duet Plus can be wall mounted in an office or quiet warehouse applications utilizing its built-in speaker to generate up to 93 dBA (at 1m) warble tones. For very loud or

outdoor environments you can purchase the Algo 1186 Horn Speaker (112 dBA at 1m). The combination of lower frequency warble and high sound pressure level creates an extremely effective and pleasant telephone alert for large or noisy locations.

Amplified Voice Paging

The Algo 1825PM also features an amplified voice paging as a separate application or in combination with loud ringing utilizing the same speaker, The 1825PM Duet Plus is the perfect solution for small warehouses, storage yards, or machine shop applications where single speaker coverage is adequate. Separate volume control is available for voice page and loud ring levels. Other useful features include adjustable warble frequency, adjustable volume, and integrated test button.

Algo 1825PM Features

  • Convenient 90 volt ring detection via an RJ11 modular jack
  • Avaya IPO connectivity directly to an FXS port for “wet” paging
  • Auxiliary speaker output for connection to existing amplifier/paging systems
  • Dry contact activation from push-button, Algo doorphone controllers, or PBX Night Bell/Auxiliary Ring contacts
  • Operational from the headset jack of Nortel Norstar and selected Meridian 1 station sets
  • Easy connectivity to BCM Media Services Card using optional 2503 BCM Connector Kit 
  • Low frequency tone output provides effective non-irritating notification of telephone and paging signals
  • Interfaces easily with optional Algo 1186 Horn Speaker r to provide increased loud ringing or voice paging volume
  • Adjustable volume and frequency controls to suit user preferences
  • Designed for easy wall mounting
  • Power Supply included - 24V (North America) 117V 60 Hz adapter and 2501 Modular Cord
  • Made in Canada