1825 Duet Plus Loud Phone Ringer
Specifications
| Item | Description |
| Product Overview |
High performance low frequency loud phone ringer compatible with dry contact closure events, analog telephones, and Nortel Digital Telephones including Norstar, BCM, Meridian 1, and CS 1000. |
| Power supply | Adapter included; 22V 350 mA Class II |
| Maximum wire distance | 500 feet (150m) for remote power using 24 gauge wire |
| Sound pressure level | 93 dBA, 500 Hz 3.3 ft (1m) using internal speaker; 112 dBA, 500 Hz 3.3 ft (1m) typical with 1185 Horn speaker |
| Warble frequency | Adjustable 290/360 Hz to 770/960 Hz typical, 4 to 12 Hz modulation |
| Output power (for external speaker) |
6 W peak, 3.5 Wrms continuous into 8 Ohms |
| Output impedance (for external speaker) | 8 Ohm in power mode, 10kOhm in line driver mode |
| Dry contact closure | Detection with 10Vdc 1 mA resistive circuit |
| 90V ring detection | REN 0.8, LN=6; ring start 40Vrms; ring stop 27Vrms |
| Low voltage detection | Detects external 3 to 60V dc or ac |
| Paging input | 600 Ohm balanced and isolated |
| Paging input level | Selectable, 0 dBm (HI) or –18 dBm (LO) |
| Audio detection | -43 to +12 dBm adjustable |
| Dimensions | 5-3/8"(H) x 3-1/8"(W) x 1-5/8"( D); 137 x 79 x 41mm |
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