https://e2e.ti.com/blogs_/archives/...sts-microphonics-in-ceramic-capacitors-part-1
https://e2e.ti.com/blogs_/archives/...sts-microphonics-in-ceramic-capacitors-part-2
Which is why I don't use them in an audio path. They're piezo microphones and speakers all rolled into one. I might use a very small value, under 100 pf in as hf bypass to ground on an output stage or an oscillation stopper in very low impedance circuit, but not anywhere near the audio path.
https://e2e.ti.com/blogs_/archives/...sts-microphonics-in-ceramic-capacitors-part-2
Which is why I don't use them in an audio path. They're piezo microphones and speakers all rolled into one. I might use a very small value, under 100 pf in as hf bypass to ground on an output stage or an oscillation stopper in very low impedance circuit, but not anywhere near the audio path.