3201 SMITH AVE BASE FILE 2025-09-24

L-Series Speaker and Speaker Strobe Specifications General L-Series speaker and speaker strobes shall mount to a 4 x 4 x 21i8-inch back box.A universal mounting plate shall be used for mounting ceiling and wall products.The notification appliance circuit and amplifier wiring shall terminate at the universal mounting plate.Also,L-Series speaker strobes,when used with the Sync•CircuitTm Module accessory,shall be powered from a non-coded notification appliance circuit output and shall operate on a nominal 12 or 24 volts.When used with the Sync•Circuit Module, 12-volt rated notification appliance circuit outputs shall operate between 8.5 and 17.5 volts;24-volt rated notification appliance circuit outputs shall operate between 16.5 and 33 volts. Indoor L-Series products shall operate between 320F and 120°F from a regulated DC,or full-wave rectified,unfiltered power supply.Speaker strobes shall have field-selectable candela settings including 15,30,75,95, 115, 150, 177. Speaker The speaker shall be a System Sensor L-Series model dual-voltage transformer speaker capable of operating at 25.0 or 70.7 nominal Vrms. It should be listed to UL 1480 and shall be approved for fire protective service.The speaker shall have a frequency range of 400 to 4,000 Hz and shall have an operating temperature between 320F and 120°F.The speaker shall have power taps and voltage that are selected by rotary switches. Speaker Strobe combination The speaker strobe shall be a System Sensor L-Series model listed to UL1480 and UL 1971 and be approved for fire protective signaling systems.The speaker shall be capable of operating at 25.0 or 70.7 nominal Vrms selected via rotary switch,and shall have a frequency range of 400 to 4,000 Hz.The speaker shall have power taps that are selected by rotary switch.The strobe shall comply with the NFPA 72 requirements for visible signaling appliances,flashing at 1 Hz over the strobe's entire operating voltage range.The strobe light shall consist of a xenon flash tube and associated lens/reflector system. Synchronization Module The module shall be a System Sensor Sync•Circuit model MDL3 listed to UL 464 and shall be approved for fire protective service.The module shall synchronize SpectrAlert strobes at 1 Hz.The module shall mount to a 411/16 x 411/16 x 21i8-inch back box.The module shall also control two Style Y(class B)circuits or one Style Z(class A)circuit.The module shall synchronize multiple zones.Daisy chaining two or more synchronization modules together will synchronize all the zones they control.The module shall not operate on a coded power supply. Physical Specifications Operating Temperature 320F to 120OF(0°C to 49°C) Humidity Range 10 to 93%non-condensing Dimensions,Ceiling-Mount Diameter Depth SPC Speaker 6.8 in, 173 mm 1.0 in,25 mm With Surface Mount Back Box 6.9 in, 176 mm 3.5 in,89 mm SPSC Speaker Strobe 6.8 in, 173 mm 2.8 in,73 mm With Surface Mount Back Box 6.9 in, 176 mm 5.37 in, 136 mm Electrical/Operating Nominal Voltage(speakers) 25 Volts or 70.7 Volts(nominal) Maximum Supervisory Voltage(speakers) 50 VDC Strobe Flash Rate 1 flash per second Nominal Voltage(strobes) Regulated 12 VDC or regulated 24 VDC/FWR'2 Operating Voltage Range(includes fire 8 to 17.5 V(12 V nominal)or 16 to 33 V(24 V nominal) alarm panels with built in sync) Operating Voltage with MDL3 Sync Module 8.5 to 17.5 V(12 V nominal)or 16.5 to 33 V(24 V nominal) Frequency Range 400 to 4,000 Hz3 Power '/4,1/2, 1,2 watts 1.Full Wave Rectified(FWR)voltage is a non-regulated,time-varying power source that is used on some power supply and panel outputs. 2.Strobe products will operate at 12 V nominal only for 15 and 30 cd. 3.520Hz capable with compatible FACP.