![]() A 4ohm speaker will draw twice as much current as an 8 ohm speaker.Ģ) Most speakers list their peak wattage. So here's what I think I know, and what I'm still confused about:ġ) The lower the ohm rating, the more current the speaker will draw. To this end I have been researching what ohm ratings and wattage really mean, and I think I have the basics down, but I've still got some questions. This amp will need to be powered by 8 D cell batteries at most, and drive at least 2 large speakers, and maybe a small one. Not sure what class of amp I'd be using yet because I don't really know the difference between them, but based on some brief research I suspect Class D will end up being the easiest to build and the audio quality will be sufficient. I'm thinking about designing a circuit with a built in amp. ![]()
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