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Electronics nerds get in here I have a question about speakers (hexbear.net)

submitted 11 months ago by Assian_Candor@hexbear.net to c/askchapo@hexbear.net

17 comments fedilink hide all child comments

My in laws gifted my kid this pretty cool RC car but it makes this awful music that’s REALLY loud. Can I wire a resistor in series on one of the speaker legs to turn the volume down, say 50%?

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[–] EmmaGoldman@hexbear.net 5 points 11 months ago (1 children)

Isn't it multiple parallel resistors in series? Shit, am I forgetting everything from my EE classes a decade ago?

[–] buckykat@hexbear.net 5 points 11 months ago

Remember that voltage divides between series elements (Kirchoff's Voltage Law) while current divides between parallel ones (Kirchoff's Current Law). A voltage divider is literally as simple as two resistors in series, each having a voltage across it proportional to its own resistance divided by the total resistance.