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  • 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.

Class D PWM amplifier. Why certain resistors are better?

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I have a speaker that is 0.25W 8 ohms and its cone is 1" in diameter. It squeaks pretty well.
 
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