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Title: Styrophone  
Author: World Heritage Encyclopedia
Language: English
Subject: Idiophone, Idiophones
Collection: Idiophones
Publisher: World Heritage Encyclopedia


A styrophone is an acoustic device made from expanded polystyrene foam (often referred to by the genericized trademark styrofoam). There are at least two varieties:

The musical instrument consists of a foam box that is forced to vibrate by a variety of means, such as friction against a wooden stick. Technically, that instrument is a type of friction idiophone. Styrophones tend to last for only one performance, as the friction destroys the material. [2]

The loudspeaker is a cheap home-made variety that consists of a crystal earpiece attached to a cone made from a foam cup or sections of packing material.[3]


  1. ^ "Wale's Timeline" by Wale [1]
  2. ^ "Frictioned Foam" by Liam Mooney [2]
  3. ^ "Styrophone Crystal Loud Speaker" from Peebles Originals [3]
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