Can Speakers be Used as Microphones?

A door once opened can be stepped through in either direction…

Okay, we promise that we’re serious people when we’re not making Doctor Who references (but we are never not making Doctor Who references so…paradox?). This video shows how a speaker, once removed from its enclosure, can be used as either a speaker or a microphone, thus exhibiting the beauty of transduction! Specifically, this is a good example of how electromagnetic transduction can work in both directions (electrical to acoustic transduction and acoustic to electrical).

Credits:

• Directed by: Langdon Crawford
• Voice:  Tyler Mayo
• Editing Caitlin Gambill

Related articles

• Transduction Overview (scienceofmusicnyu.wordpress.com)
• Build your own Cup Microphone (scienceofmusicnyu.wordpress.com)