and Engineering Specification Sensor L-Series Speakers speaker shall be a System Sensor L-Series Model _______ listed to UL 1480 and shall be for fire protective signaling systems. It shall be a dual-voltage transformer speaker of operation at 25.0 or 70.7 nominal Vrms. The speaker shall have a frequency range of to 4,000 Hz and shall have an operating temperature between 32 and 120 It shall to a 4 x 4 x 2 1/8-inch back box. amplifier wiring shall terminate at the mounting plate. The speaker shall have power taps watt to 2 watts) and voltage that are selected by rotary switches. All models have a sound output of 86dB at 10 feet and shall incorporate an open back construction. Sensor Ohio Avenue Charles, Illinois 60174 630-377-6580 630-377-6495
