Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
The impedance of the speaker (in ohms) determines the load it will place on the siren output circuits. A lower impedance speaker will draw more current and therefore take more power. You can easily calculate the theoretical values of current and power using Ohms Law.
The power rating of the...
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