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Amplifier considerations for driving ceramic (piezoelectric) speakers (Part 2 of 2)

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eric180db
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re: Amplifier considerations for driving ceramic (piezoelectric) speakers (Part 2 of 2)
eric180db   1/25/2008 1:45:17 PM
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The article says that better low frequency response will require a smaller external resistor but this is wrong. Due to the capacitive nature of ceramic speakers the resistor/speaker creates a low pass filter. Low frequencies are not affected, only high frequency cutoff will change with different R's

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