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Electromechanical buzzer is an audio signaling device that uses an electromagnet to vibrate a metal diaphragm, creating a low-pitched buzzing sound (around 400Hz). These durable devices are commonly used in appliances, automotive, alarms, and toys for notifications, typically operating on low voltages (1.5V,3V,6V or 12V DC )
Key Features and Principles:
Power & Voltage: They often use more current but operate on lower voltages compared to piezo alternatives.
Types: Self-driving: Contain internal circuitry to produce a tone immediately when power is applied.
Construction: Typically enclosed in a shell, with options for panel mounting, through-hole, or wire leads.
Performance: Generally produces lower-pitched sounds (around 400Hz) compared to piezoelectric buzzers.
400Hz Low frequency audio indicator , Worked with 6V,12V,24V DC,Output 400 Hz 85dB
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