System Sensor Outdoor Speakers EngSpec

Architects and Engineering Specification Advance Outdoor Speakers Speaker appliance shall be System Sensor SpectrAlert Advance model outdoor Series The speaker shall be listed to UL S4048 for outdoor Fire Protective Signaling Systems It shall a dual voltage transformer speaker capable of operation at 25.0 or 70.7 nominal Vrms The speaker have a frequency range of 400 to 4,000 Hz and shall have an operating temperature between 40 151 The speaker shall be suitable for use in air handling spaces as well as wet environments It mount to a SpectrAlert Advance outdoor back box supplied with the unit universal mounting plate shall be used for mounting ceiling and wall speaker products The notification circuit and amplifier wiring shall terminate at the universal mounting plate shall be plug in and shall have the ability to check wiring continuity via a shorting spring on the mounting plate The shorting spring shall also provide tamper resistance via an open circuit if the is removed Speaker design shall isolate speaker components to reduce ground fault incidents speaker shall have power taps from watt to 2 watts and voltage that are selected by rotary All models shall have a maximum sound output of 90 dB at 10 feet and shall incorporate a back construction notification appliances shall be backward compatible Speaker Speaker