开云体育

ctrl + shift + ? for shortcuts
© 2025 开云体育

Re: Testing the piezo speaker


 

Piezo speaker is somewhat inaccurate as its actually a resonator.
Being much louder at its resonant frequency.
?
They are best when well supported by their edges with airspace
under and over.
?
?
?
Allison
?

Join [email protected] to automatically receive all group messages.