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Code Number: 3E30.10
Demo Title: Microphone Construction
Condition: Fair
Principle: Variable Pitch Electronic Circuit
Area of Study: Oscillations & Acoustics
Equipment:
Break-Apart Microphones.
Procedure:
For show and tell only. The individual components can be observed.
References:
- Chris Chiaverina, "Exploring Electric Circuits and Resistance Using Pencil Lead", TPT, Vol. 52, #9, Dec. 2014, p. 570.
- Chris Chiaverina, "The Binchotan Microphone: A Pièce de Résistance from the Stray Cats1", TPT, Vol. 51, #6, Sept. 2013, p. 379.
- Bob Froehilich, "A Demonstration Condenser Microphone", TPT, Vol. 50, #8, Nov. 2012, p. 508.
- James M. Moses, K. P. Trout, "A Simple Laser Microphone for Classroom Demonstration", TPT, Vol. 44, # 9, Dec. 2006, p. 600.
- Alan Van Heuvelen, Leith Allen, and Pavlos Mihas, "Experiment Problems for Electricity and Magnetism", TPT, Vol. 37, #8, Nov. 1999, p. 482.
- Oleg D. Jefimenko and David Walker, "Electrets", TPT, Vol. 18, #9, Dec. 1980, p. 651.
- Thomas B. Greenslade Jr., "19th Century Textbook Illustrations XVIII: The Microphone", TPT, Vol. 15, #8, Nov. 1977, p. 495.
- Alexander Case, "The Vocal Microphone: Technology and Practice", Physics Today, Vol. 69, #3, Mar. 2016, p. 74.
- Richard J. Fitzgerald, "Microphones Step Up to the Plate", Physics Today, Vol. 67, #1, Jan. 2014, p. 16.
- Kevin Dupzyk, "How to Get Started in Podcasting", Popular Mechanics, Vol. 192, #7, July/Aug. 2015, p. 41.
- Joseph D. Ciparick, "The Ear and the Microphone", The Science Teacher, Vol. 55, #9, Dec. 1988, p. 46.
- George M. Hopkins', "Microphones", Experimental Science Vol. 2, Linsday Publications Inc., 1906, p. 65.
- R. W. Pohl, "15. Sound Receivers or Detectors", Physical Principles of Mechanics and Acoustics, Blackie & Son Ltd., p. 306.
- Cy Tymoney, "Sneaky Pencil Microphone", Sneakiest Uses for Everyday Things,Andrews McMeel, 2007 p. 41.
- H. F. Olson, "Modern Sound Reproduction", Carbon Microphones, Van Nostrand Reinhold Co., 1940, p. 72.
- H. J. Press, "Microphone", Giant Book of Science Experiments, Steling Publishing Co. Inc., 1998, p. 31.
- Tom Petruzzellis, "Types of Microphones", Electronic Sensors for the Evil Genius, p. 3.
- Curt Suplee, "Resistance: Pros and Cons", Everyday Science Explained, National Geographic, p. 96 - 97.
- Borislaw Bilash II, “Seeing is Believing“, A Demo A Day – A Year of Physical Science Demonstrations, Flinn Scientific Inc., 2009, p. 308.
- Brian Carusella, "Simple Microphone", Bizarre Labs, http://bizarrelabs.com/mic.htm, 2023.
- Simon Leadly, "PZM Mod".