for 520Hz fire and smoke alarms
Characteristic Min Typical Max Notes
Type Magnetic
Excitation External Driven Tone: Continuous
Sound Pressure Level dB at 30cm 105 measured 85dB(A) / 300cm / 520Hz / 8 Vpp square wave
Frequency kHz 0.4 0.52 4 within 5dB at 2.83 V
Voltage V 8 peak to peak sine wave
Available Input Impedance Ω 8 ±15%
Temperature ºC -20 85 Storage Temperature -30 °C ~ +85°C
Width mm 106.5
Height mm 40
Weight g 475
Mounting Chassis Mount
Termination lead wire
Characteristic Response: 

Dimension Drawing: 

FFT at 520Hz input signal at 1V