Piezo discs have been around since the 1970s, and such cheap (and easy-to-handle) discs are widely used by avid electronic hobbyists and experimenting musicians all over the world. A piezo disk ...

If you’re doing any serious work with microphones, you’ll typically find yourself in want of a dedicated preamp. [ojg] needed just such a thing for acoustic measurement duties, and set about working ...

If you’ve ever listened to a crisp recording and wondered why your microphone doesn’t sound as clear, don’t worry—you’re not alone. It takes more than simply buying the right equipment to make your ...